carterhanes6 carterhanes6

21-10-2021
Mathematics

contestada

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

Respuesta :

jimrgrant1 jimrgrant1

21-10-2021

Answer:

f(- 7) = 0

Step-by-step explanation:

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

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

= 2 × - 12 × 0

= - 24 × 0

= 0

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