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3 years ago

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

Mathematics

1 answer:

Alinara [238K]3 years ago

6 0

Answer:

- 27

Step-by-step explanation:

Evaluate from the ' inside out ' , that is

Evaluate g(2) then use this value to evaluate f(x) then use this value to evaluate h(x)

g(2) = 4(2)² - 9 = 4(4) - 9 = 16 - 9 = 7, then

f(7) = 7 + 7 = 14 , then

h(14) = - 2(14) + 1 = - 28 + 1 = - 27

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Divide equation b by 2

4x - 3y = 17

So now you have

4x - 3y = 18

4x - 3y = 17

--------------------subtract

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No solution

Answer is the last option

4x - 3y = 18

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------------------------------

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Subtract equation 2 from 1

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Infinitely many solutions

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