Gema29
Gema29 Gema29
  • 04-08-2020
  • Mathematics
contestada

Using the function f(x)=-x^2+8x-13 find f(4)

Respuesta :

Аноним Аноним
  • 04-08-2020

Answer:

f(4) = 3

Step-by-step explanation:

f(x) = -[tex]x^{2}[/tex] + 8x - 13

To find f(4), substitute 4 for all instances of x:

f(4) = -(4[tex])^{2}[/tex] + 8(4) - 13

Simplify the exponent:

f(4) = -16 + 8(4) - 13

Multiply:

f(4) = -16 + 32 - 13

Combine terms:

f(4) = 3

Answer Link
jamaltaylor58
jamaltaylor58 jamaltaylor58
  • 04-08-2020

Answer:

3

Step-by-step explanation:

You plug in 4.

f(4)= -(4)^2+8(4)-13

f(4)= -16+32-13

f(4)= 16-13

f(4)=3

Answer Link

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