Question

Let f(x) = 2x+3 and g(x) = x2
Part 1 [2 points] Find f(g(x))
Part 2 [2 points] Find g(f(x))
can you please show me how to do these.

Answer 1

f(g(x)) means replace every x in the function f with the function g
g(f(x)) means replace every x in the function g with the function f

Answer 2

I'll do the first one then you can practice on the second one.