Answer:-164
Explanation:
−2(−8)
2
+2(−8)−20
Plug into each x-value
−
(
64
)
+
8
20
−2(64)+2(−8)−20
Square first
128
16
−128−16−20
Multiply
f
=
164
f(−8)=−164
Answer: -164
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