Question: Find the indicated values if the given changes are made in the indicated examples of this section. In Example 2, change the sign in the

Find the indicated values if the given changes are made in the indicated examples of this section.

In Example 2, change the sign in the exponent from − to + and then solve the equation.


Data from Example 2

Solve the equation 3x−2 = 5.

Taking logarithms of each side and equating them, we have

log 3x-2 log 5 (x - 2)log 3 = log 5 X

This solution means that 33.465−2 = 31.465 = 5 which can be checked by a calculator.

log 3x-2 log 5 (x - 2)log 3 = log 5 X = 2+ log 5 log 3 3.465

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