376,525 views
6 votes
6 votes
F(x)=−2x^2+2x−20
Find f(−8)

User JSG
by
3.2k points

2 Answers

12 votes
12 votes

Answer:-164

Explanation:

−2(−8)

2

+2(−8)−20

Plug into each x-value

2

(

64

)

+

2

(

8

)

20

−2(64)+2(−8)−20

Square first

128

16

20

−128−16−20

Multiply

f

(

8

)

=

164

f(−8)=−164

User Firan
by
2.8k points
22 votes
22 votes

Answer: -164

Explanation:

User Luisbar
by
3.0k points