To solve the equation 5 x = 7, we must find the exponent to which 5 must
Question:
To solve the equation 5x = 7, we must find the exponent to which 5 must be raised in order to obtain 7. This is log5 7.
(a) Use the change-of-base rule and a calculator to find log5 7.
(b) Raise 5 to the number found in part (a). What is the result?
(c) Using as many decimal places as the calculator gives, write the solution set of 5x = 7.
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Related Book For
Intermediate Algebra
ISBN: 9780134895987
13th Edition
Authors: Margaret Lial, John Hornsby, Terry McGinnis
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