Concept explainers
a
To draw: A graph from the given table.
a
Explanation of Solution
Graph: From the data the given in the table the following graph will be plotted.
b.
To calculate: The greatest rate of change occurs in the graph.
b.
Answer to Problem 58PFA
The greatest rate of change occurs in the graph during the interval of
Explanation of Solution
Calculation: From the graph plotted above it can be observed that the graph is continuously increasing till 6 months and then it becomes constant (
The slope of the graph for the interval
The slope of the graph for the interval
Hence, the greatest rate of change occurs in the graph during the interval of
c
To calculate: The amount in Tamina’s account in 8 months.
c
Answer to Problem 58PFA
The total amount in Tamina’s account in 8 months will be $825.
Explanation of Solution
Given information: the rate of change from 0 to 4 months is 75 and the initial amount in Tamina’s account is $225.
Calculation:
The rate of change from 0 to 4 months is 75 and since the slope is same from interval 0 to 4 months then, the rate of change from 0 to 1 month is =
Initial value of y is = y (0) = 225
Therefore for constant rate of change, the equation of y will be
Put x =0, then y = y (0) in equation (1)
Now for x =8, we get
The total amount in Tamina’s account in 8 months will be y = $825.
Chapter 3 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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