Apply the Inner Function First - Practice 1

5 questions0m 0s

Learn the skill

In f(g(x)), apply g to x first, then use that result as the input of f. Reversing the order can produce a different answer.

Worked example

If g(x) = x + 3 and f(x) = 2x, then f(g(4)) = f(7) = 14.

Question 1 Let g(x) = x + 3 and f(x) = 2x. What is f(g(-4))? Answer

Question 2 Let g(x) = x + 3 and f(x) = 2x. What is f(g(-3))? Answer

Question 3 Let g(x) = x + 3 and f(x) = 2x. What is f(g(-2))? Answer

Question 4 Let g(x) = x + 3 and f(x) = 2x. What is f(g(-1))? Answer

Question 5 Let g(x) = x + 3 and f(x) = 2x. What is f(g(0))? Answer