Question

if f(x)=12^2-5 and
g(x)=x+7
find (f o g)(x)

Answer 1

(f o g)(x) is same as f(g(x)), also you missed a variable in f(x)

Answer 2

i typed exactly what it says

Answer 3

and i know its the same as f(g(x)) but i dont understand how to get the answer /:

Answer 4

@alicatforever u have missed variable 'x' in f(x)

Answer 5

oh your right 0.0 it was 12x^2-5

Answer 6

hmm

Answer 7

whoops sorry /:

Answer 8

@alicatforever: and you said I was wrong :(

Answer 9

sorry D:

Answer 10

@CO_oLBoY nice one mate...

Answer 11

i thought you meant a number for some reason. and i was like you've seen this question before!? what is this sorcery!?

Answer 12

now
fog(x) = f (x+7)
= 12 (x+7)^2 - 5
= 12 (x^2 + 49 + 14x) - 5
= 12x^2 +588 +14x - 5
= 12x^2 + 14x + 583

Answer 13

oh my gosh thank you!

Answer 14

welcome :) anytime