QUIZ 1·4 for SECTION 001
Print your name and student number on the top right-hand corner of this page. You will have 10 minutes
to complete this quiz. When you finish the quiz, turn your paper over and remain seated.
1. Let
f (x) =
√
x, g(x) = 10x − 1 and h(x) = x + 2.
Write down an expression for (f ◦ g ◦ h)(x), and determine its domain.
2. Write the contrapositive of the following true statement:
If a + b is even, then a and b are both even or both odd.