McGraw-Hill OnlineMcGraw-Hill Higher EducationLearning Center
Student Center | Instructor Center | Information Center | Home
Course Success
Math on the Web
How's Your Math?
Graphing Calculator Workshop
Midtext Diagnostic Review
NetTutor
SMART CD Grade Book Register
Glossary
Elementary Algebra Review
Learning Objectives
Chapter Outline
Key Terms
Internet Exercises
Enrich Your Math Word Power
Pre-Test
Post-Test
Chapter Overview
Warm-Ups
Section Text
Interactive Applications
Audio/Visual Tutorial Practice
Practice Test
Feedback
Help Center


Elementary and Intermediate Algebra
Mark Dugopolski, Southeastern Louisiana University

Functions
Graphs of Functions and Relations

Warm-Ups



1

The graph of a function is a picture of all ordered pairs of the function.
A)TRUE
B)FALSE
2

The graph of every linear function is a straight line.
A)TRUE
B)FALSE
3

The absolute value function has a V-shaped graph.
A)TRUE
B)FALSE
4

The domain of f (x) = 1/x is (-∞, ∞).
A)TRUE
B)FALSE
5

The graph of a quadratic function is a parabola.
A)TRUE
B)FALSE
6

The range of any quadratic function is (-∞, ∞).
A)TRUE
B)FALSE
7

The y-axis and the f (x)-axis are the same.
A)TRUE
B)FALSE
8

The domain of x = y2 is [0, ∞).
A)TRUE
B)FALSE
9

The domain of f (x) = (x - 1)1/2 is (1, ∞).
A)TRUE
B)FALSE
10

The domain of any quadratic function is (-∞, ∞).
A)TRUE
B)FALSE