Exam 11: Exponential Functions

Use the change-of-base property to find a decimal approximation of the following logarithm. Round your answer to four decimal places, if necessary.

Let and evaluate

Let and evaluate

How much larger is the shock wave of an earthquake that measures 9.5 on the Richter scale than one that measures 5.5 on the same scale? __________ times larger

Simplify the following expression.

Determine if the following function is one-to-one. Answer yes or no .