brigettegonzalez
brigettegonzalez brigettegonzalez
  • 09-03-2021
  • Mathematics
contestada

If f(x) = - 3x3 -- x2 +8
what is f(-2)?

Respuesta :

Muscardinus Muscardinus
  • 14-03-2021

Answer:

f(-2) = 28

Step-by-step explanation:

Given that,

[tex]f(x) = - 3x^3 -x^2 +8[/tex]

We need to find the value of f(-2). Put x = -2 in the given function. SO,

[tex]f(-2) = - 3(-2)^3 -(-2)^2 +8\\\\=24-4+8\\\\=28[/tex]

So, the value of f(-2) is equal to 28.

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