is f(-2) positive or negative

Answers

Answer 1

Answer:

Depends on [tex]f(x)[/tex]

Step-by-step explanation:

Example:

if [tex]f(x) = |x|[/tex]

then [tex]f(-2) = 2[/tex]

if [tex]f(x) = x ^ 3[/tex]

then [tex]f(-2) = -8[/tex]

research: even & odd functions.

Answer 2

Answer:

negative

Step-by-step explanation:

because in number 2 got the little line in one side


Related Questions

the temperature was -9 then increased by 17. what is it now?

Answers

Answer:

8

Step-by-step explanation:

-9+17=8

I gotta make it 20 characters long so I'm just adding this in :p

Joshua borrows $300 from his older sister to buy a bike. He promises to pay the total amount plus 5% simple interest in one year. How much will Joshua
pay back in all?

Answers

Answer:

315

Step-by-step explanation:

please answer this. thank you

Answers

B..............ddhdhdhd
i am pretty sure it is b

need help I forgot how to do this ​

Answers

Answer:

A.

Step-by-step explanation:

you have to find the discriminant

b²-4ac for each equation

if discriminant < 0 no real solutions because will be negative under the squareroot whhan you try to find the roots

if discriminant = 0 there is only one solution

if discriminant > 0 two real solutions

for your given problems

A. discriminant =(-2)²-4*2*15 will be negative

“A Wok in the Park” charges a $100 set-up fee plus $12.50 per person. “Chop Chop Catering” charges $15 dollars per person.

Write a equation in the form y=mx+b for both companies

Answers

Answer:

y = $100 + $1.50x

y = $15x

Step-by-step explanation:

Given that :

A Wok in the Park charges :

Setup fee =$100 ; per person = $12.50

Chop Chop Catering charges :

$15 per person

Writing equation for the amount charged by the 2 services in the form :

y = mx + c ;

A Wok in the Park ;

Setup fee =$100 = c = intercept ; per person = $12.50 = slope = m

y = $100 + $1.50x

Where x = number of persons. ; y = amount charged

Chop Chop Catering charges :

$15 per person

y = 0 + $15x

y = $15x

x = number of persons. ; y = amount charged ; intercept (c) = $0

What is the decrease percentage of 62 to 31

Answers

Answer:

50%

Step-by-step explanation:

Answer: 50%

Step-by-step explanation:

31 is half of 62, so it was a 50% decrease.

Write an exponential function in the form y=ab* that goes through points (0.7) and (2.63)

Answers

Answer:

6.73

Step-by-step explanation:

Please help will mark brainiest

At a farming supply store 7 pounds of seed cost $141.96. If a farmer needed 4 pounds of seeds, how much would it cost him?

$81.21
$81.24
$81.12
$39.90

Answers

Answer:

$81.12

Step-by-step explanation:

get cost per 1 pound by dividing 141.96 by 7; unit price is $20.28

4 pounds multiplied by 20.28 gives you $81.12

Find the distance between the pair of points (2,-5) and (3,-7).

Answers

Answer:

        2.24

Step-by-step explanation:

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\(2,-5)\quad\implies\quad x_1=2\,,\ \ y_1=-5\\\\(3,-7)\quad\implies\quad x_2=3\,,\ \ y_2=-7\\\\d=\sqrt{(3-2)^2+(-7+5)^2}= \sqrt{1^2+(-2)^2}=\sqrt{1+4}=\sqrt5=2.236....\approx2.24[/tex]

What fraction is equivalent to 1/6

A. 3/8

B. 2/8

C. 3/24

D. 4/24

Answers

The correct answer is D. 2/24

Answer:

C

Step-by-step explanation:

Because 24 divided by 3 = 8 and 3/8 has a denominator of 8 and you divide it by 3

could i have branliest and a heart please

Have a good day :)

help please giving brailiest

Answers

Answer:

1/4

Step-by-step explanation:

Answer:

24

Step-by-step explanation:

16+8=24

What is the equation in point-slope form of the line that passes through the point (4,-5) and has a slope of 2/3?

Answers

Answer:

m = 8 / -2 = 4 / -1 = -4

Step-by-step explanation:

FREE 9 = Tucson


...



..

Answers

Answer:

Tuscon. btw DIE MAX!

Step-by-step explanation:

Answer:yo the rule is

R% x P x T

which in this question is:

r%= 9%

p= 630

t=8

so

630 x 8 x 9% = 453.6

that's the final answer and in order to make sure make

630+453.6=1083.6

Step-by-step explanation:

what is the answer to the question?​

Answers

Answer:

[tex]HL\ Congruency[/tex]

Step-by-step explanation:

[tex]As\ we\ know\ that,\\HL\ Congruency\ states\ that\ if\ the\ hypotenuses\ and\ any\ sides\ of\ two\\ right\ triangles\ correspond,\ the\ triangles\ are\ congruent.\\Hence,\\Here,\\AC\ [Hypotenuse\ of\ \triangle CDA]=BD [[Hypotenuse\ of\ \triangle BAD]\\\angle BAD=\angle CDA=90[Hence,\ the\ two\ triangles\ are\ right\ triangles]\\AD[In\ \triangle BAD]=AD[In\ \triangle CDA] [Common\ Side]\\Hence, Through\ HL\ Congruency\ Theorem\ \triangle BAD\ is\ congruent\\to\ \triangle CDA.[/tex]

Answer:

asa

Step-by-step explanation:

right angle

same base side

same distance to the other angle

convert to exponential form. PLLLEASEEEE HELP!!!!!!! thank you so so so much!!! *will give brainliest ofc*

Answers

Answer:

the answer is A!

Explanation:

here you go <3

Answer:

A

Step-by-step explanation:

A quantity with an initial value of 390 decays exponentially at a rate of 8.5% every 9 weeks. What is the value of the quantity after 42 days, to the nearest hundredth?

Answers

Answer:

Step-by-step explanation:

The initial value = 390

It decayed at an exponential rate of 8.5% for 9weeks which is also 63days

Decay exponential rate after 42days will be:

8.5% = 63days

x% = 42days

8.5% ×42days = 63days×x%

357 = 63x

x = 357/63

x = 5.666%

Hence after 42days it would have decayed by 5.666% of it initial value.

That is 5.666% of 390

5.666/100 × 390

0.056×390

= 22.0974

To the nearest hundredth 22.10

Hence the value left will be 390-22.0974

= 367.9026

To the nearest hundredth 367.90

Answer:

The answer is 367.57

owen has a collection of nickels and quarters worth $8.10. If the nickels were quarters and the quarters were nickels, the value would be $17.70. Find the number of each coin.

Answers

there are 67 nickels and 19 quarters.Im pretty sure

20x-4y=36 solve for y
need help plz

Answers

Answer:

5x-9

Step-by-step explanation:

(4x-1) /2=x+7
4x-1 all over 2 = x +7​

Answers

Answer:

x = [tex]\frac{15}{2}[/tex]

Step-by-step explanation:

Given

[tex]\frac{4x-1}{2}[/tex] = x + 7 ( multiply both sides by 2 to clear the fraction )

4x - 1 = 2(x + 7) ← distribute

4x - 1 = 2x + 14 ( subtract 2x from both sides )

2x - 1 = 14 ( add 1 to both sides )

2x = 15 ( divide both sides by 2 )

x = [tex]\frac{15}{2}[/tex]

If AX) = x2 + 2x + 3, what is the average rate of change of AX) over the interval (-4, 6]? OA 51 B. 40 OC. 31 OD 20 OE 4​

Answers

Answer:

E

Step-by-step explanation:

The average rate of change of A(x) in the closed interval [ a, b ] is

[tex]\frac{f(b)-f(a)}{b-a}[/tex]

Here [ a, b ] = [ - 4, 6 ] , then

f(b) = f(6) = 6² + 2(6) + 3 = 36 + 12 + 3 = 51

f(a) = f(- 4) = (- 4)² + 2(- 4) + 3 = 16 - 8 + 3 = 11 , thus

average rate of change = [tex]\frac{51-11}{6-(-4)}[/tex] = [tex]\frac{40}{10}[/tex] = 4 → E

Braydon paid $94 for 6 meals. How much would 9 meals cost?

Answers

Answer:

assuming all the meals cost the same: about 141 dollars

Step-by-step explanation:

comment if explanation needed

94 divided by 6= 15.6 so he paid that much for each meal. Then you so 15.6x9=141. So he paid $141 for the 9 meals

At a concession stand, 9 slices of pizza and 5 soft pretzels cost $33.25. If 4 slices of pizza and 6 soft pretzels cost $19.50, what is the cost of a soft pretzel?

Answers

The cost of the soft pretzel is $1.25

A washer and dryer cost $906 combined. The washer cost $56 more then the dryer. What is the cost of the dryer ?

Answers

906+56= 962. The dryer is $962

Answer:

It cost $397

Step-by-step explanation:

Because 906 divided by 2 equals 453 minus 56 equals 397

find the range f(n)=-4n-5 if the domain is -7

Answers

Answer:

23

Step-by-step explanation:

y=f(n)=( -4× -7)-5

f(n)=28-5 =23

An artist uses 18 colors on an art palette to paint a picture. This is 72% of all the colors on the palette. How many colors are on the artist’s palette?

Answers

Answer:

He actually has 25 paints.

Step-by-step explanation:

This is because you take 18x100(100 is the total % under 72 because 72 is out of 100) that equals 1800. then, you take 1800 and divide it by 72. That is because 72 is the actual number that we already have. You would get 25 after dividing. hope this helps:)

Answer:

25

Step-by-step explanation:

Think the number is x

So

According to the question

The equation is

x×72%=18

x×72/100=18

x×18/25=18

x=18×25/18

x=25

So

There are 25 colours on the artist's palette

Choose the correct description of each system of equations (Problems 2 & 3). F consistent and independent H consistent and dependent G inconsistent J inconsistent and dependent 2. X + 2y = 7 -2x – 4y = -14

Answers

Answer:

Dependent.

Step-by-step explanation:

The system of equations we got there is dependent. This is because they are both basically the same equation, so the graph of both of them is just the same. We can get one equation from the other:

x+2y=7

if we multiplied both sides of the equation by -2 we would get:

-2(x+2y)=-2(7)

-2x-4y=-14

This means that the system of equations will have infinitely many answers.

joe deposits $1500 in an account that pays 3% annual interest compounded conitiniously how much will joe have in his account after 5 years

Answers

Answer:A = 1500e^(0.03 * 5) = 1500e^(0.15)

use definition of logarithm

0.15 = ln(A / 1500)

0.15 = ln(A) - ln(1500)

ln(A) = 0.15 + ln(1500) = 0.15 + 7.313220387 = 7.463220387

Step-by-step explanation:

The amount of money Joe would have in his account after 5 years is $1742.75.

Given the following data:

Principal, P = $1500Interest rate, R = 3%Time, T = 5 years

To determine the amount of money Joe would have in his account after 5 years.

Mathematically, an interest that is compounded continuously given by the formula:

[tex]A = Pe^{rt}[/tex]

Where:

A is the future valueP is the principal.r is the interest rate.t is the time in years.

Substituting the given parameters into the formula, we have;

[tex]A = 1500 \times e^{0.03 \times 5}\\\\A = 8000 \times e^{0.15}\\\\A = 1500 \times 1.1618[/tex]

A = $1742.75

Read more on compound interest here: https://brainly.com/question/16992474

i need to find x for these

Answers

Answer:

1. x = 2

2. x = -2

3 x = 1

Step-by-step explanation:

Make x the subjects and work from there

Simplify (-2x - 9)(-4). 8x - 36 -8x + 36 8x+ 36 -88-36​

Answers

Answer:

8x+36

Step-by-step explanation:

distribute the -4

-2x times -4 + -9 times -4

8x+36

xoxo, your highness...

Answer:

[tex]64x^2+648x-124[/tex]

if your question is

[tex]\left(-2x-9\right)\left(-4\right)\cdot \:8x-36-8x+368x+36-88-36[/tex]

Need help appreciate it

Answers

Answer:

Perimeter is 50

Area is 60

Step-by-step explanation:

To get the perimeter, you add all the lengths of the sides together.

To get the area, you do A=hb * b / 2, which is 60

Answer:

The answer is at the bottom!!

Step-by-step explanation:

A= b * h * 1/2

24 * 5 =120

120 / (1/2)=60

60= 24 * 5 * 1/2

P = a + b + c

P= 13 + 24 + 13

P=50

Hope this helps!!

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