Question

Find f(–2) for the function f(x) = 3x2 – 2x + 7.

−13
−1
1
23

Answer 1

substitute -2 as x in \(3x^2-2x+7\)
so do \[3(-2^2)-2(-2)+7\]

Answer 2

im trying to get te answer

Answer 3

use PEMDAS and simplify

Answer 4

first, what is -2 squared?

Answer 5

-4

Answer 6

no, -2 squared is 4

Answer 7

\(3(-2^2)-2(-2)+7\\3(4)-2(-2)+7\)

Answer 8

and simplify from there

Answer 9

what is 3 times 4, what is -2 times -2

Answer 10

12

Answer 11

-2 x -2 =4

Answer 12

then add

Answer 13

12+4+7
12+4=16+7=23

Answer 14

yes so there's your answer

Answer 15

you reaady for the next one

Answer 16

sure post it