Question

Find f (g(x)) if f(x) = 2x - 1 and g(x) = x + 2.

Answer 1

f(x+2) = 2(x+2)-1
f(x+2) = 2x+1

Answer 2

That should be 2x+3...

Answer 3

so what is it ?

Answer 4

2x+3. You just plug in the g(x) into the f(x). I made an arithmetic error in the first one

Answer 5

thank you !