Group Activity: Functions
Let f ( x)  2 x  1 and g ( x)  x 2  4 . Use these two functions to answer the questions below.
1. Find the following values:
a. f (0)
b.
i.
f (1)
f ( 1)
f (a)
g (0)
g ( 2)
g (3)
g (t )
f (a  5)
j.
What value of x makes f ( x)  7 ?
c.
d.
e.
f.
g.
h.
k. What value(s) of x make g ( x )  0 ?
2. Use the graph of a function f ( x ) below to answer the questions.
a. What is the domain of f ( x ) ?
b. What is the range of f ( x ) ?
c. What is f (2) ?
d. For what value(s) of x does f ( x)  1 ?