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10-11-2020
Mathematics

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

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jimrgrant1 jimrgrant1

10-11-2020

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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