Problem 1.1:
Classify each of the following as a function of
x, a one-to-one function, or neither:
a)
y = 2x4 - 6
b)
y = 
c)
y = 4x + 7
d)
x = y2
Problem 1.2:
What is the domain and range of each of the following functions?
a)
y = 3sin(2x)
b)
y = 
Problem 1.4:
Consider the following piecewise function:
f (x) =   |
|
Find the following:
a)
f (- 1)
b)
f (5)
c)
f (10)
Problem 1.5:
Is this function even, odd, or neither?
a)
f (x) = cos(x)
b)
f (x) = sin(x)
c)
f (x) = tan(x)
d)
f (x) = cos(x + 
)
fog
(2)
gof
(2)
