aaronjin5363 aaronjin5363
  • 14-01-2022
  • Mathematics
contestada

Evaluate the function.
f
(
x
)
=
2
x
2
+
8
x
f(x)=2x
2
+8x
Find
f
(
−
1
)
Find f(−1)

Respuesta :

dynamike dynamike
  • 14-01-2022

Answer:

-12

Step-by-step explanation:

f ( x) = 2 x 2 + 8 x

Find f(−1)

replace x by its value which is -1

so:

f ( x) =  2 x 2 + 8 x

f ( -1) =  2  (-1)*2 + 8 (-1)

f(-1)= -2*2 + (-8)

f(-1)= -4 -8

f(-1)= -12

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