Concept explainers
To Graph :
Graph the function and state the domain and range.
Answer to Problem 29PPS
Domain is all real numbers.
Range =
Explanation of Solution
Given Information:
Given equation is :
Calculation :
This is a
Here both the functions are linear
x | |||
-3 | No | Yes | -1.5 |
-2 | No | Yes | -2 |
-1 | No | Yes | -2.5 |
0 | Yes | No | 2 |
1 | Yes | No | 5 |
Plotting the values and joining, we get the required graph :
The x -coordinate values specify the domain of the function . Since the graph covers all possible values of x , the domain is all real numbers.
The y -coordiante values specify the range of the function . Since , the graph does not take any value less than y = -2.5 , the range is =
Chapter 4 Solutions
Algebra 1
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