Intermediate Algebra – Student Workbook – Second Edition 2013

Name: _____________________
Date: ________________
Lesson 1a Practice Problems
1. The tables below show 6 different data sets. For each set determine if it meets the criteria for
a function. If it fails, explain why and circle the data points that make it invalid.
a)
x f(x)
3 0
1 5
2 8
3 12
4 14
b)
x g(x)
0 0
1 1
2 -1
3 2
4 -2
c)
x f(x)
0 -3
1 -4
2 -5
3
4 -6
d)
R = {(2, 4), (3, 8), (-2, 6)}
e)
T = { (3, -2), (4, -1),
(5, 8), (3, -2) }
f)
T = { (3, -5), (1, -2),
(2, -2), (3, 5) }
g)
h) i)
t 0 1 2
p(t) 43 45 43
Scottsdale Community College Page 17 Intermediate Algebra