Exponential Functions and Logarithms

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth

• Neither Growth or Decay

• Exponential Decay

• Linear

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

• Exponential Growth

• Exponential Decay

• Linear

• Neither Growth or Decay

log₂(x² - 6) = log₂(2x+2)

• 4, -2

• No Solution

• 4

• -2

Solve: log₃ (5) + log₃(x) = log₃(2) + log₃(x + 9)

• 5

• 11

• 6

• 3

Solve 8 = 2^5x+7

• x = ⅘

• x = ¼

• x = -⅘

• x = -¼

The equation given has a ​ ​ (a)   asymptote at what value? ​ (b)  

• horizontal

• vertical

• -4

• 3

• 1

• -1

Logarithmic functions are the inverse of...

• Linear Functions

• Exponential Functions 

• Quadratic Functions 

• Polynomial Functions 

Evaluate: log ₂ 16 = x

• 3

• 2

• 4

• 5

Rewrite log₂8 = 3 in exponential form

• 2⁸ = 3

• 2³ = 8

• 3² = 8

• 8³ = 2

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81

• log₈₁3 = 4

• log₃81 = 4

• log₄81 = 3