Grade 8 Function Characteristics Worksheet
This worksheet focuses on identifying and analyzing key characteristics of functions for 8th-grade students, including domain, range, intercepts, and behavior.
Includes
Standards
Topics
Function Characteristics
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show your work where necessary.
1. Which of the following relations is NOT a function?
{ (1,2), (2,3), (3,4) }
{ (1,2), (1,3), (2,4) }
{ (2,2), (3,3), (4,4) }
{ (0,1), (1,1), (2,1) }
2. What is the domain of the function f(x) = x + 5?
All real numbers
All positive numbers
x > 0
x < 5
1. A vertical line test can be used to determine if a graph represents a function.
True
False
2. The range of a function refers to all possible input values.
True
False
1. The set of all possible input values for a function is called the .
2. The is the set of all possible output values for a function.
1. Describe in your own words what makes a relation a function.
2. Consider the function y = 2x - 1. If the domain is {1, 2, 3}, what is the range?
Plot the following points and determine if the graph represents a function. Explain your reasoning.
Points: (0, 4), (1, 2), (2, 0), (1, -2), (0, -4)
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