MA125 CALCULUS I SPRING 2002
January 2002 QUIZ 1 Jellett
SCORE
NAME:..........................................
/30
1. Find the domain of the following functions:
(i) f(x) = x4
x2+x−6
(ii) f(t) = 3
√t−1
2. Find the domain, and sketch the graphs, of the following functions
(i) f(x) = 5x+ 2|x|
|x|
(ii) f(x) = 2x+ 3 if x < −1
3−xif x≥ −1
3. A rectangle has area 16 m2. Express the perimeter as a function of the length
of one of its sides.
