kemibabs71 kemibabs71
  • 20-01-2021
  • Mathematics
contestada

Find f(-2) if f(x) = x + x + 7. f(-2) =

Respuesta :

Muscardinus Muscardinus
  • 25-01-2021

Answer:

f(-2) = 9

Step-by-step explanation:

Given that,

f(x) = x² + x + 7

We need to find the value of f(-2).

Put x = -2 in the given function.

f(-2) = (-2)² + (-2) + 7

= 4-2+7

= 9

Hence, the value of f(-2) is equal to 9.

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