Asianswag5000
Asianswag5000 Asianswag5000
  • 17-08-2016
  • Mathematics
contestada

Let f(x) = x2 − 8x + 5. Find f(−1). (1 point)


−4

−3

13

14

Respuesta :

dasetka
dasetka dasetka
  • 17-08-2016
 f(x) = x² - 8x + 5         Plug in -1 for all of the x-values
f(-1) = (-1)² - 8 (-1) + 5   Square -1
f(-1) = 1 - 8 (-1) + 5        Multiply -8 and -1
f(-1) = 1 + 8 + 5            Add
f(-1) = 14
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