Log and Exponent Review

Is this exponential growth or decay?

• Growth because a=1

• Growth because there is no a

• Decay because b=0.5

• Neither because a=0

Is this exponential growth or decay?

• Growth, because of 7

• Growth because of 1.2

• Decay, because of 1.2

• Decay because of 7

What is the inverse function of an exponential function?

• Logarithmic function

• Linear function

• Trigonometric function

• Quadratic function

Mr. Fort deposited $5000 in a bank account that earned 3.5% annually. Which function shows the amount of money Mr. Fort has saved after x months?

• The x-intercept of f(x) is (1,0)

• The y-intercept of f(x) is (0,4)

• There are no asymptotes

• The range of f(x) is all positive numbers

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Use the logarithm properties to expand.

ln(4xy)

• ln4+lnx+lny

• 4lnxy

• 4lnx+lny

• 4ln(x+y)

Which word describes the relationship in the table?

• Linear

• Nonlinear and exponential

• Proportional and Linear

• None of the above

Choose the correct answer.