Question

let f(x)=-2x-7 and g(x)=-4x+3 find (f o g ) (-5)
help please :)

Answer 1

sorry its (f o g ) (x)

Answer 2

same concept :)

we just need to insert g(x) INTO f(x)

f(x) = -2x - 7

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

Answer 3

8x-1?

Answer 4

8x -6 -7 = 8x -14

Answer 5

gotta keep your eye on those signs :)

Answer 6

8x-13? thats one of my answer choices..8x-14 isn't

Answer 7

doh!!, i forgot how to add lol

Answer 8

lOl!!!

Answer 9

8x - 13 will be fine then :)