Question

f(x)=-2x--7 g(x)-4x+3 find fog (-5)

Answer 1

Read your question!!

Answer 2

?

Answer 3

f o g basically means f(g(x))

Answer 4

So first plug in -5 into your g(x) equation.

Answer 5

subsitute -5 for x?

Answer 6

23

Answer 7

g(x)=-4x+3 or g(x)=4x+3?

Answer 8

-4x+3

Answer 9

? -4(-5)=20. 20+3=23

Answer 10

Oops my mistake. Okay so g(x)=23 so plug 23 into the f(x) to get f(g(x))

Answer 11

-53? (in the question, there should only be 2x-7 not 2x--7

Answer 12

Good job!

Answer 13

so the answer is -53?

Answer 14

Yes.

Answer 15

thanks