Concept explainers
(a)
To calculate: To write and graph a function to represent area of the section inside the border,
(a)
Answer to Problem 22PPS
The function to represent area of the section inside the border is
Graph is plotted
Explanation of Solution
Given information: M has
Calculation:
Scrapbook is given as
From figure, one side of scrapbook is
Other side of scrapbook
Given that total length of ribbon
Function for area is given as
Now, in order to graph the equation, let’s find the points on the graph
When
When
When
Plotting the points on graph:
Conclusion:
Hence, function to represent area of the section inside the border is
(b)
To calculate: To find the time it would take the car to travel
(b)
Answer to Problem 22PPS
Thecar would take
Explanation of Solution
Given information: Function
Calculation:
Function is given as
Also, given that car is accelerating at a rate of
Substituting value of
Graph of the equation is as follows:
From graph, car would take
Conclusion:
Hence, car would take
Chapter 9 Solutions
Pre-Algebra Student Edition
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