Question

Let f(x) = x – 2 and g(x) = 3x + 4. What is f(g(x)) ?

Answer 1

f(x) = x – 2

f(g(x)) = g(x) – 2 ... replace every x with g(x)

see what to do now?

Answer 2

3x+2=f(x)

Answer 3

?

Answer 4

no i'm not sure how you're getting that

Answer 5

You said replace x with the value of g(x)

Answer 6

So I did that and simplified,

Answer 7

Can you help DLS?

Answer 8

f(g(x)) = g(x) – 2

Now replace g(x) on the right side with 3x+4 (since they are the same)

Answer 9

then simplify

Answer 10

That's what I did. 3x+2

Answer 11

oh ok, your notation above is a bit off up there

Answer 12

it should be

f(g(x)) = 3x+2

Answer 13

Ya.
I forgot the g.

Answer 14

thats ok

Answer 15

:3