Is this relation a function? Justify your answer. 10 9 8 7 5 3 2 1 1 2 3 4 5 6 7 8 9 10 11 A. Yes, because the number of x-values is the same as the number c y-values. B. No, because two points with the same x-value have different y- values. C. Yes, because every x- and y-value is positive. f se two points with the same vevalue have different x-
Answers
The correct answer is option B that is No, because two points with the same x-value have different y values.
A relation in mathematics may be defined as the term which describes the relationship between the input and output variables. A function may be defined as the expression in which for one value of input variable x there is only one output variable y. The input variable is called independent variable and output variable is called dependent variable. From the graph given in question it can be seen that at point x = 2 there are two points on the y axis that are y = 2 and y = 11. So, this violates the basic definition of function as for input x there are two outputs y and hence it cannot be regarded as function.
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Related Questions
What is the US GDP for the first quarter and second quarter of 2020? What is the personal consumption expenditures for the first quarter and second quarter of 2020?
Answers
The US GDP for the first quarter of 2020 was 21.54 trillion dollars, and the US GDP for the second quarter of 2020 was 19.49 trillion dollars.
The personal consumption expenditures for the first quarter of 2020 are 13.02 trillion dollars.
the personal consumption expenditures for the second quarter of 2020 are 11.82 trillion dollars.
What are the personal consumption expenditures?
Personal consumption expenditures are the price that citizens of the US pay for goods and services. This is a crucial index that indicates inflation or deflation and consumer behavior over some time.
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My brain can’t think straight and I’m trying to figure out the difference in the solution to a graph of a linear equation and the solutions to the graph of a linear inequality
Answers
For a linear equation the solutions are on the line, while for inequalities the solutions are above or below the line (sometimes the line is also included).
What are the differences?When we have a linear equation of the form:
y = line
The solutions on the graph of this equation are the points on the line.
Now, for inequalities like:
y > line
or
y < line.
The solutions are all the points above (or below) the line itself.
Finally, for inequalities like:
y ≥ line
y ≤ line
The solutions are above (below) the line and the line itself.
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Consider the equation:24 = x^2 - 4x + 31) Rewrite the equation by completing the square.Your equation should look like (x + c)^2 = d or (x – c)^2 = d.[ ]2) What are the solutions to the equation?Choose 1 answer:A) x=2 ± 5B) x = -2 ± √5C) x = 2 ± √5D) x = -2 ± √5
Answers
(x - 2)² = 25
Explanation:24 = x² - 4x + 3
rewritting:
x² - 4x = 24 - 3
x² - 4x = 21
using the completing the square:
coefficient of x = -4
square half the coefficient of x = (-4/2)² = (-2)²
Add the square half the cofficient of x to both sides of the equation
x² - 4x + (-2)² = 21 + (-2)²
taking out -4x:
(x - 2)² = 21 + 4
(x - 2)² = 25
The equation above is in the form (x + c)^2 = d or (x – c)^2 = d
7th grade students were asked to choose their
favorite color. The table shows the fraction of
students that choose each color. What DECIMAL
shows the difference between the most and least
favorite colors?
Color
Fraction
Red Yellow Blue Green
5/18
1/6
4/9
1/9
Answers
Answer:
Step-by-step explanation:
Need help asap
A. h(x)=6-f(x)
B. h(x) = f(x)-6
C. h(x)=f(x) +6
D. h(x)=6f(x)
Answers
The equation of the graph after the translation is h(x)=f(x)+6
The process of transforming an equation or existing graph into a new graph is known as graph translation.
Changing algebraic equations is a typical algebraic problem. A translation modifies the graph of a parent function. Dilations, reflections, and translations are the three distinct types of translation.You can adjust a function's x values horizontally or its y values vertically (affects the x-values).We understand that in order to represent the translation by the predetermined amount, the x- and y-coordinates must be changed.Since the graph for h(x) has moved to the left by 6 units as we can see in the graph. Hence the co-ordinates will also change by 6 units . hence the graph is translated to the left by 6 units.
Therefore the equation after the translation is given by h(x)=f(x)+6 .
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Estelle and Carlos will be hosting a party and will buy 6 pies for their guests. Two lemon meringue pies cost $3 less than 4 blueberry pies. Three lemon meringue pies cost$9 more than 3 blueberry pies. How much does each type of pie cost?
Answers
The cost of each lemon meringue pie is $7.5 and the cost of each blueberry pie is $4.5.
Given that, Estelle and Carlos will be hosting a party and will buy 6 pies for their guests.
What is an equation?In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
Let the cost of lemon meringue pies be L and the cost of blueberry pies be B.
Now, 2L = 4B - 3 and 3L= 3B + 9
Multiply the equation 2L = 4B - 3 by 3
6L = 12B - 9 --------(I)
Multiply the equation 3L= 3B + 9 by -2
-6L = -6B - 18 --------(II)
Add equation (I) and (II)
6L+(-6L) = 12B - 9 + (-6B-18)
⇒ 0 = 6B - 27
⇒ 6B = 27
⇒ B = $4.5
So, cost of lemon meringue = 2L = 4×4.5 - 3
⇒ 2L = 18 - 3
⇒ 2L = 15
⇒ L = $7.5
Therefore, the cost of each lemon meringue pie is $7.5 and the cost of each blueberry pie is $4.5.
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Givin f(x) = 1/x+5 and g(x)=x-2. What are the restrictions of the domain of f(g(x))?
OX≠ -5
OX≠ -3
OX≠ 2
OThere are no restrictions
Answers
Answer:
Step-by-step explanation:
x cannot be -3 or 2
Step-by-step explanation:
f(g(x)) = 1 / (( x-2) +5)
= 1/ (x+3)
g(x) cannot have x=2
The domain is restricted where
f(x) has an restriction that x cannot be 5
so g(x) cannot be -5
-5 = x-2
Add 2 to each side
-5+2 = x
-3
If f(x)=5x^2+3x-1How do I find what f(b) equals to?
Answers
Given:
[tex]f(x)=5x^2+3x-1[/tex]Required:
We need to find f(b).
Explanation:
Replace x =b in the given equation to find the value of f(b).
[tex]f(b)=5(b)^2+3(b)-1[/tex][tex]f(b)=5b^2+3b-1[/tex]Final answer:
[tex]f(b)=5b^2+3b-1[/tex]pls help me answer this "23 miles is how many kilometers Round your answer to the nearest tenth." TY
Answers
Answer:
23 miles is 37 kilometers
A store owner mixes 2 Ib of candy that costs x dollars per pound with 3 Ib of candy that costs $1.50 per pound. She sells the mix for $2.50 per pound.
Answers
We may determine the value of candy costs by solving a linear equation in which the answer is given as
x = $4.00.
How can you find out how much candy costs?We are aware that a shop owner blends two pounds of candy priced at x dollars per pound with three pounds of candy priced at $1.50 per pound. She asks $2.50 for the mixture.
The mixture's total weight is:Since the entire cost at the start must equal the total cost at the end, we can express the equation as 2lb + 3lb = 5lb.
2*x + 3*$1.50 = 5*$2.50
This linear equation for x may now be solved:
2*x = 5*$2.50 - 3*$1.50 = $8.00
x = $8.00/2 = $4.00
The sweet has a $4 price tag.
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Arnold plants a tree sapling in his yard and measures its height every year. His measurements so far are shown in the scatterplot.
Answers
The equation of the scatter plot is y = 5/3x + 2 and the tree will be 18.7 feet in ten years
What are linear equations?Linear equations are equations that have constant average rates of change.
Note that the constant average rates of change can also be regarded as the slope or the gradient
How to determine the height of the tree?The information that completes the question is added as an attachment
From the scatter plot, we have the following points
(x, y) = (0, 2) and (6, 12)
The equation of the line is calculated as
y = (y2 - y1)/(x2 - x1) * (x - x1) + y1
Substitute the known values in the above equation
So, we have
y = (12 - 2)/(6 - 0) * (x - 0) + 2
So, we have
y = 5/3x + 2
In ten years, the value of x is
x = 10
So, we have
y = 5/3 x 10 + 2
Evaluate
y = 18.7
Hence, the height of the tree is 18.7 feet
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PLS HELP ME OUT MARKING BRAINLEIST
Answers
The side x = 104 unit and angle y = 74 °
What is a parallelogram?A quadrilateral is referred to as a parallelogram in geometry.
The opposite sides of a parallelogram are parallel and of equal length.
Rhombus, rectangle, and square are a few instances of parallelograms.
The special properties of a parallelogram is that the two opposing sides are both equal and parallel. Also the opposite angles are equal. And the angles inside the parallelogram on the same side , their sum is 180 degrees .
Given : A parallelogram ABCD.
Now in a parallelogram opposite sides are both equal and parallel.
So in this parallelogram ;
97 = x - 7
⇒ x = 97 + 7
⇒ x = 104 .
Also opposite angles of a parallelogram are equal.
⇒ y = 74 °
Thus the required solution is x= 104 degree and y= 74 degrees
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How do I solve number 4 and 5 to get the correct answer?
Answers
Answer:
4. (d)
5. (b)
Step-by-step explanation:
You want to apply the secant and chord rules to the circles given in the diagram.
The secant rule is "the product of distances from the point of intersection of secants to the two points of intersection of the secant with the circle is the same for both secants." A tangent can be considered to be a secant that has both points of intersection with the circle in the same place.
The chord rule is similar to the secant rule: "The product of distances from the point of intersection of the chords to their intersection with the circle is the same for both chords."
4.The diagram shows a tangent of length 12, so the product of distances to the two points of intersection with the circle is 12(12).
The secant has length 8 to the near point of intersection, and (x+8) to the far point of intersection. That product is the same as for the tangent:
8(x +8) = 12(12) . . . . . . matches choice D
5.One chord has lengths of 14 and x, so the product of those is 14x.
The other chord has lengths of 12 and 21, so the product of those is 12(21).
The product is the same for both chords, meaning ...
14x = 12(21) . . . . . . matches choice B
__
Additional comment
We have purposely tried to write the rules in "parallel" fashion, because we find them easier to remember that way. Considering a tangent to be a secant with the points of intersection with the circle merged means the same rule can be used for all three cases:
intersecting secants, a tangent intersecting a secant, and intersecting chords.please help brainliest to correct answer
Answers
Answer:
A, n = (8 - 7p)/m.
Step-by-step explanation:
mn + 7p = 8
mn = 8 - 7p
n = (8 - 7p)/m.
a $52 video game is adversited for 20% of it sales tax is 6%
Answers
Answer:
39 dollars
Step-by-step explanation: 20 perrcent of 52
ANSWER QUICK I WILL GIVE BRAINLIEST!
Solve k over negative 1.8 is less than negative 4.9 for k.
k < −8.82
k > 8.82
k < −6.7
k > −6.7
Answers
Answer:
k<-8.82
Step-by-step explanation:
k/1.8<-4.9
k<-8.82
Answer:k<-8.82
Step-by-step explanation:
Make x the subject of the formula. 5d cubed= d squared (2b-3cx)
Answers
The value of x = [tex]\frac{2b-5d}{3c}[/tex] .
What is a equation?Algebraically speaking, an equation is a statement that shows the equality of two mathematical expressions. For instance, the two equations 3x + 5 and 14, which are separated by the 'equal' sign, make up the equation 3x + 5 = 14.
The given equation is
[tex]5d^{3}=d^{2}(2b-3cx)[/tex]
5[tex]d^{3}= d^{2}2b-3cd^{2}x[/tex]
3c[tex]d^{2}x = d^{2}2b-5d^{3}[/tex]
x = [tex]\frac{d^{2}(2b-5d) }{3cd^{2} }[/tex]
x = [tex]\frac{2b-5d}{3c}[/tex]
Hence, The value of x = [tex]\frac{2b-5d}{3c}[/tex] .
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inverse of (1/4x) +2
Answers
Answer:
Inverse Function = 4x -8
Step-by-step explanation:
replace x with y and replace x with y
solve for y (meaning isolate y)
y=(1/4x) +2
x= (1/4y) +2
x-2 = 1/4y
multiply by 4 on each side to remove 1/4 from the right side
4(x-2) = y
y= 4(x-2)
y= 4x -8
Inverse Function = 4x -8
Of the 16 nurses in Doreen’s department, 12 are women and 4 are men. One of the nurses will be assigned at random to work an extra shift next week. Find the probability a woman nurse will be assigned the extra shift. Convert the fraction to a decimal.
Answers
Answer:
Step-by-step explanation:
there are 10 milliliters and 1 liter
Write 41% as a fraction in simplest form.
Answers
Answer:
[tex]\frac{41}{100}[/tex]
Step-by-step explanation:
It cannot be simplified.
Ex: 50% can be simplified to [tex]\frac{1}{2}[/tex]
PLEASE HELP ME ILL LITERALLY AND I PROMISE ON GOD TO RATE YOU 5 STARS AND GIVE U POINTS
Answers
Answer:
1. 12hrs
2. 2hrs
Step-by-step explanation:
4:00pm is 2 hrs from 6:00pm
5:00am is 12hrs from 5:00pm
A store has two types of animal feed available. Type A contains 3 pounds of oats and 3 pounds of corn per bag. Type B contains 1 pound of oats and 7 pounds of
corn per bag. A farmer wants to combine the two types so that the resulting mixture has at least 18 pounds of oats and at least 54 pounds of corn. The store
only has 11 bags of type A feed and 12 bags of type B feed in stock. Type A costs $4 per bag, and type B costs $1 per bag. How many bags of each type should
the farmer buy to minimize her cost?
Note that the ALEKS graphing calculator can be used to make computations easier.
Type A feed:
Type B feed:
bag(s)
bag(s)
Answers
The farmer will purchase five bags of kind A and six bags of type B.
Per bag, Type A includes 9 pounds of oats and 3 pounds of maize.
Per bag, Type B includes 2 pounds of oats and 10 pounds of maize.
The farmer is looking for a blend that comprises at least 57 pounds of oats and 75 pounds of maize.
Allow the farmer to mix type A feed = x pounds.
and feed type B = y pounds
(9x + 2y) pounds of oats when blended
Corn amount when combined: (3x + 10y) pounds
Oats equation: 9x + 2y = 57 ———— (1)
Corn equation: 3x + 10y = 75 ————- (2)
Subtract equation (2) from equation (2) by multiplying it by three (1)
3(3x + 10y) - (9x + 2y) = 75×3 - 57
9x + 30y - 9x - 2y = 225 - 57
28y = 168
y = 6 bags
derived from the equation (1)
9x + 2×6 = 57
9x + 12 = 57
9x = 57 - 12
9x = 45
x = 5 bags
Because the business has 15 bags of each sort, each bag costs $4.
As a result, the cost of 5 bags of type A and 6 bags of type B is = (54) + (64)
= 20 + 24
= $44
The farmer intends to buy five bags of kind A and six bags of type B.
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For this exponential function,
what is the output value (y),
when the input value (x) is 3?
y = 5.2x
(3, [?])
Enter
Answers
Answer:
40
Step-by-step explanation:
5*(2^3)=40
You take a $4,500 loan to pay for a trip
to the Amazon rainforest to photograph
wild animals. If the loan's interest rate is
8% for 1 year, what is the interest for the
first payment?
A $12.58
C $30.00
Vincent Fal
B $26.00
D $80.99
Answers
[tex]~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\\ P=\textit{original amount deposited}\dotfill & \$4500\\ r=rate\to 8\%\to \frac{8}{100}\dotfill &0.08\\ t=years\dotfill &1 \end{cases} \\\\\\ I = (4500)(0.08)(1) \implies I = 360~\hfill \underset{monthly~payment}{\stackrel{360 ~~ \div ~~ 12}{\text{\LARGE 30}}}[/tex]
c.
PRT/100
4500×8×1/100=360
per month=360÷12
=30
Please help and provide an explanation for why the answer is f(x) = -1/3x - 4
What is the equation of the line that passes through Point (-6, -2) and has a Slope of -1/3.
Answers
y=-1/3-4
Step-by-step explanation:
point slope form!
y-y=m(x-x)
with the point (-6,-2) and the slope (-1/3) replace the 2nd variables of each variable and replace m with the slope
y-(-2)=-1/3(x-(-6))
then solve that normally
y-(-2)=-1/3(x-(-6))
y+2=-1/3x -2
y=-1/3x-4
I didnt use officially math symbols but i hope you can still read it!
Price-club sells a 12-ounce package of spaghetti noodles for $3.44 and Shop Mart sells a 2 1/2-pound box of spaghetti noodles for $8.35.
The unit price per ounce at Price-Club is $ and the unit price per ounce at
Shop Mart is $
0.28 0.21
0.30 0.20
0.29 0.19
Answers
The unit price per ounce at Price-Club is $0.29 per ounce and the unit price per ounce at Shop Mart is $0.21 per ounce.
What is the unit price?The unit price can be determined by dividing the total cost by the total ounce that is purchased.
Division is the process of putting a number into equal groups using another number. The sign used to denote division is ÷. Division is one of the basic mathematical operations. The result of the division process is known as the quotient. Other mathematical operations include addition, subtraction and multiplication.
Unit price = total cost / total ounce sold
Unit price of Price-Club = $3.44 / 12 = $0.29 per ounce
In order to determine the unit price of Shop Mart, pounds have to be converted to ounces
1 pound = 16 ounces
To convert 2 1/2 pounds to ounces, multiply 2 1/2 by 16. Multiplication is the mathematical operation that is used to determine the product of two or more numbers.
16 x 2 1/2
16 x 5/2 = 40 ounces
Unit price of Shop Mart = $8.35 ÷ 40 = $0.21 per ounce
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describe five occupations you want to do, and how you prepare for your dream job. And list the average salary, and then, combine your family cost per month, make a reasonable saving plan.
Answers
architecture, invest money so that I can pay fr fees
The number of gifts received each day of "the 12 days of christmas" is a function of the day ("on the fourth day of christmas, my true love gave to me: 4 calling birds, 3 french hetis, 2 turtle doves, and a partridge in a pear tree")
Answers
Answer: True, It it the same as any other function, it just has more numbers than a two number function
Step-by-step explanation:
Hillsboro Street and Manchester Avenue intersect. If the diagonal distance across the
intersection is 73 feet and Hillsboro Street is 55 feet wide, how wide is Manchester Avenue?
Answers
The intersection's two opposing corners are 91.40 feet apart.
Since the given data are:
Width of the Hillsboro Street = 73 feet
Width of Manchester Avenue = 55 feet
When Hillsboro Street and Manchester Avenue cross, calculate the distance between the intersection's two opposing corners,
Because the junction of Hillsboro Street and Manchester Avenue created a right-angled triangle:
Using Pythagoras's Theorem,
H² = B² + P²
H² = (55)² + (73)²
H² = 3025 + 5329
H² = 8354
H = √8354
H = 91.40
As a result, the distance between the intersection's two opposing corners is 91.40 feet.
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2/3 ÷ -5/6 yo nesecesito dividir
Answers
Answer:
-4/5
Step-by-step explanation:
2/3 * -6/5 = -4/5
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