Concept explainers
a.
To graph: the function using a graphing utility.
a.
Answer to Problem 59E
Explanation of Solution
Given information: The total interest u paid on a mortgage of P dollars at interest rate r
for t years can be found using.
Calculation:
The graph of the function using graphing utility is shown below.
b.
To approximate: the length of the mortgage when the total interest paid is the same as the initial amount of the mortgage and is it possible to be charged twice as much in interest as the initial amount of the mortgage.
b.
Answer to Problem 59E
From the graph, when u =230000, t
Explanation of Solution
Given information: The total interest u paid on a mortgage of P dollars at interest rate r
for t years can be found using.
Calculation:
From the graph, when u =230000, t
Chapter 3 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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