Name _______________________________________________
FUNCTIONS PRACTICE
Date ________________________
ALGEBRA CC
1)
2)
3)
Given the relation A = {(5,2), (7,4), (9,10), (x, 5)}. Which of the following values for x
will make relation A a function?
(1) 7
(2) 9
(3) 4
(4) 5
4)
5)
Identify the domain and range of the relation below.
Determine if it is a function. Explain your answer.
{(3, 5), (-2, 7) (-8, 3) (1, 3)}
6)
Identify the domain and range of the relation below.
Determine if it is a function. Explain your answer.
7)
Identify the domain and range of the relation below.
Determine if it is a function. Explain your answer.
8)
If f(x) =
9)
If h(x) = 2x2 + 3x – 1, find h(3).
10)
, find f(-10).
Find the value of x, if f(x) = -4x + 3 and f(x) = -1.
11) Find the value of x, if n(x) =
12)
Using the graph to the right, find:
a. f(3)
b. f(0) =
c. If f(x) = 7, find x.
and n(x) = 6.
13)
If f(n) = 4n + f(n – 1) and f(2) = 9, find f(4).
14)
Identify the domain and range of each graph and determine if the graph represents a
function.
a)
b)