Exponential Functions and Logarithms

What type of function is y = 7(5/4)^x?

• Exponential Growth

• Exponential Decay

• Linear

• None of the above

Evaluate: log₉3

• ½

• -½

• 2

• -2

Evaluate log₅25

• 2

• 5

• 125

Rewrite 10³ = 1000 in logarithmic form.

• log ₁₀₀₀ 3 = 10

• log ₃ 10 = 1000

• log 3 = 1000

• log 1000 = 3

Evaluate: log₆ (¹/₂₁₆) = x

• 3

• ¹/₃

• -¹/₃

• -3

Simplify: e^ln7

• log_e7

• 7

• ln7

• e⁷

In an exponential function, what does the 'a' represent? 

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• COMMON RATIO

Classify the following graph.

• Exponential Growth

• Exponential Decay

• Logarithmic