Unit 4 Part 2: Logs Review

Given the logarithmic functions below, order from LEAST to GREATEST in terms of the x-intercepts.

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Mathematical Equivalence

OFF

Answer explanation

Answer explanation

Mathematical Equivalence

OFF

Answer explanation

• 582 hours

• 253 hours

• 1 year

• 83 years

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The graph of a logarithmic function is shown.
Which of the following is the BEST estimate for the rate of change of the function from x=-1 to x=2?

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• base 3 of 20
• base 45 of 900
• base 20 of 3
• base 20 of 900

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Dayna is looking to invest $30,000 in an investment. She wants to use the money that she invests to pay for a new car that will cost $50,000.

Complete the table to determine how many years, t, it will take for Dayna to increase $30,000 to $50,000 at 3 different interest rates.

Round your answers to the nearest tenth of a year.

If the interest rate is 7%

Mathematical Equivalence

OFF

Answer explanation