Logarithms and Exponential Functions Calculus

Solve:  2^3x = 15

• 2.3

• -2.3

• 1.3

• -1.3

log₆(¹/₂₁₆)

• 3

• ¹/₃

• -¹/₃

• -3

log₂(¹/₈) = -3

• 2^-3 = ¹/₈

• 2^1/8 = -3

• -3² = ¹/₈

• -3^1/8 = 2

Write as a single log: log 12 + 2 log x

• log (12 + 2x)

• log (14x)

• log (24x)

• log (12x²)

Write as one logarithm. Simplify, if possible.
log₃9 + log₃27

• -1

• 5

• 4

• 1

An Amount of $2,000 is deposited into a bank paying an annual interest rate of 2.85% compounded continuously. How long will it take for the money to double?

• 21.22

• 24.321

• 20.12

• 24

log₂(x + 5) = 3

• 3

• 4

• 5

• 6

f(x) = √x f(x) = log x

• f(x) = √x

• f(x) = log x

Convert between logarithmic and exponential form

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• A

• B

• C

• D

Convert between logarithmic and exponential form

[Click on the image if you need to make it larger]

• A

• B

• C

• D