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Usimov [2.4K]
2 years ago
8

F(x)=x+7 g(x)=4x^2-9 h(x)=-2x+1 what is the value of g(f(-2)

Mathematics
1 answer:
vovangra [49]2 years ago
7 0

Answer:

g(f(- 2)) = 91

Step-by-step explanation:

Evaluate f(- 2) then substitute the value obtained into g(x), that is

f(- 2) = - 2 + 7 = 5 , then

g(5) = 4(5)² - 9 = 4(25) - 9 = 100 - 9 = 91

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1/3 x (9c+12) + (4c)+6
RoseWind [281]

Answer:

7c+18

Step-by-step explanation:

FIRST

take out the parentheses so it will be

( 1/3*9c)+12+4c+6

3c+12+4c+6

Combine like terms



3 0
3 years ago
Determine if y varies directly with x. Give the constant of variation, when appropriate. (picture below)
maxonik [38]

Based on the given variation, y does not vary directly with x and the constant of variation are 8, 3.2 and 1.25 respectively.

<h3>Variation</h3>

y = k × x

where,

k = constant of proportionality

y = -40

x = -5

y = k × x

-40 = k × -5

-40 = -5k

k = -40/-5

k = 8

when,

y = 8 and x = 2.5

y = k × x

8 = k × 2.5

8 = 2.5k

k = 8/2.5

k = 3.2

when,

y = 5 and x = 4

y = k × x

5 = k × 4

5 = 4k

k = 5/4

k = 1.25

Learn more about variation:

brainly.com/question/6499629

#SPJ1

5 0
1 year ago
Explain how to use the graph-and-check method to solve a linear system of two equations in two variables.
telo118 [61]
You have to explain more
4 0
3 years ago
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What does p equal in the equation 84,000p + 36,000m = 1,962, 800
Alex_Xolod [135]

Answer:

p=−37m+70130

Step-by-step explanation:

Step 1: Add -36000m to both sides.

36000m+84000p+−36000m=1962800+−36000m

84000p=−36000m+1962800

Step 2: Divide both sides by 84000.

84000p84000=−36000m+196280084000

p=−37m+70130

3 0
2 years ago
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finlep [7]

Answer:

Day 3 : 6 Day 2: 4 Day 1: 2 and so on

Step-by-step explanation:

This may not be correct but i think that you multiply the day number by two.

6 0
2 years ago
Read 2 more answers
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