Breezebird117
Breezebird117 Breezebird117
  • 02-03-2019
  • Mathematics
contestada

PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! If f(x) = 3x2 - 2x + 5, find f(-2).

Respuesta :

MrBillDoesMath MrBillDoesMath
  • 02-03-2019

Hello from MrBillDoesMath!

Answer:

21

Discussion:

f(x) = 3x2 - 2x + 5

Substitute x = -2  in f(x) above to get

f(-2) =

3 (-2)^2 - 2(-2) + 5 =                  => (-2)^2 = (-2) * (-2) = +4, -2(-2) + + 4

3*4 + 4 + 5 =

12 + 4 + 5 =

21

Thank you,

MrB

Answer Link
aya3135
aya3135 aya3135
  • 02-03-2019
The answer is 21. hope this helps!
Answer Link

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