Exponential Equations and Logarithms

Solve:
log x + log 8 = 2 

• 10

• 12.5

• 15

• 17.5

Solve:
3^x-1 = 81

• 5

• 6

• 9

• 10

Solve:
_{log (−2a + 9) = log (7 − 4a)} 

• -5

• -1

• 1

• 5

Solve:
log₂2x = -0.65 

• 0.32

• 0.23

• 0.45

• 0.54

Solve:
_{log (4x − 5) = log (2x − 1)} 

• 0

• 1

• 2

• 3

What is the equation that best represents the graph?

• y=2^y

• y=2^x

• y=2^-x

• y=x²

What is the horizontal asymptote for the graph of 
f(x)=13(0.5)^x-6 ?

• y=0.5

• y=13

• y=6

• y=0

What is the domain and range of the function y=2^x ?
Use the graph to help!

•  Domain: All Real Numbers
  Range: y>0

• Domain: All Real Numbers
  Range: y>1

• Domain: −2<x<∞
  Range: y>0

• Domain: −∞<x<∞
  Range: y>0

Using the parent function y=3^x what would the graph of y=3^x+1 look like?

• Horizontal shift left one unit

• Horizontal shift right one unit

• Vertical shift up one unit

• Vertical shift down one unit

Write the above expression in exponential form.

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