Functions and money
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Section 4.1
42.Use the definition of inverses to determine whether f and g are inverses.
72a. Future value. Find the future value and interest earned if $56,780 is invested at 5.3% compounded A). quarterly for 23 quarters.
76. Interest rate. Find the required annual interest rate to the nearest tenth of a percent for $65,000 to grow to $65,325 if interest is compounded quarterly for 5 yr.
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Solution Summary
This provides examples of working with functions including inverses, and finding future value and interest rate.
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Section 4.1
Problem #42
Answer: YES
, , then we have
So and are inverse to each other.
Problem #56
A)
Thus
B) The graph is shown below.
C) Both the ...
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