Question

Let f(x) = 4x-7 and g(x) = 2x + 5 Find f(g(x)). Not a multiple choice question.

Answer 1

So the equation to begin with looks like this: 4(2x+5)-7, and once you solve it: (8x+20)-7, and then to 8x+13. Thus 8x+13 is your answer.