Function Notation Sample Questions

The following are a few questions to test your understanding of the examples of function notation presented on the previous page. You can look in your booklet for more questions to attempt.

1. Given f(x) = 15 / x, evaluate f(3).

2. Given h(a) = a² + 3, evaluate h(-1)

3. Using f(x) and h(a) from questions 1 and 2, evaluate h(f(5)).

Answers

1. f(3) = 5

2. h(-1) = 4

3. h(f(5)) = 12