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40 votes
40 votes
Let f(x)=x^2+8x. Evaluate f(−4)=

User UncaAlby
by
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2 Answers

6 votes
6 votes

Answer:

f(-4) = - 16

Explanation:

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

f(-4) = 16 + -32

f(-4) = - 16

User Eric Tobia
by
3.3k points
21 votes
21 votes

Answer:

f(−4) = -16

Explanation:

f(x)=x^2+8x

f(−4)=
-4^(2) + 8 (-4)

= 16 -32

= -16

User Rodrigo Zurek
by
2.8k points