F(x)=2(x-5)(x+7) What is f(-7)

CyberBoy asked Sep 2, 2022

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CyberBoy asked Sep 2, 2022

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6 votes

Answer:

f(- 7) = 0

Explanation:

Substitute x = - 7 into f(x) , that is

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

= 2 × - 12 × 0

= - 24 × 0

= 0

Gelineau answered Sep 8, 2022

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