
Concept explainers
(a)
To calculate:Tomake a function table to show the amount of fencing needed for widths
(a)

Answer to Problem 42PPS
Function table is
Width (in feet) | 12 | 15 | 18 |
Fencing Needed (in feet) | 48 | 50 | 60 |
Explanation of Solution
Given information:Equation that represents the relationship between the width of fenced area and the total amount of fencing needed is
Calculation:
Equation that represents the relationship between the width of fenced area and the total amount of fencing needed is given as follows
When
When
When
Function table is as follows:
Width (in feet) | 12 | 15 | 18 |
Fencing Needed (in feet) | 48 | 50 | 60 |
(b)
To calculate: Tofind the width of the fenced area if Tia has
(b)

Answer to Problem 42PPS
Width of fenced area is
Explanation of Solution
Given information:Equation that represents the relationship between the width of fenced area and the total amount of fencing needed is
Calculation:
Equation that represents the relationship between the width of fenced area and the total amount of fencing needed is given as follows
Total fencing
Thus, width of fenced area is calculated as follows:
On solving the above,
Hence, width of fenced area is
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