grillobarajas18 grillobarajas18
  • 09-06-2021
  • Mathematics
contestada

If f (x)= 2x^2-7 find f (4)

Respuesta :

tabinaaafrin tabinaaafrin
  • 09-06-2021

Answer:

14

Step-by-step explanation:

f(x)=2x+7

f(4)=2(4)+7

=8+7

=15

f(-4)=2(-4)+7

=-8+7

=-1

f(4)+f(-4)

=15+(-1)

=14.

Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 09-06-2021

Answer:

25

Step-by-step explanation:

f (x)= 2x^2-7

Let x=4

f (4) = 2 ( 4)^2 -7

Exponents first

f(4) =2*16 -7

Multiply

f(4) =32 -7

Subtract

f(4) =25

Answer Link

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