Review for Exponential Test

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

Is the pictured graph growth, decay, or linear or none?  

• Growth
• Decay
• Linear
• None

Select all of the transformations of f(x)=lnx that produce the function

g(x)= − lnx+3

• vertical stretch by e

• Reflection over the y-axis

• Translation 3 units left

• Reflection over the x-axis

• Translation 3 units up

Write the equation of the function f(x)=3logx+4 after the following transformations:

Vertical stretch by a factor of 2, translate 5 units to the right.

• g(x)=5log(x+5)+4

• g(x)=5log(x-5)+4

• g(x)=6log(x-1)

• g(x)=6log(x-5)+4

Match the graph with its equation

• y = log₅ (x + 1) + 1 
• y = log₅ (x - 1) + 1 
• y = log₅ (x²) + 1 
• y = log₅ (x)-1

Rewrite log₂8 = 3 in exponential form

• 2⁸ = 3

• 2³ = 8

• 3² = 8

• 8³ = 2

Evaluate.
log₃81

• 4
• ¹/₄
• -4
• -¹/₄

Expand

• A
• B
• C
• D

Condense

• A
• B
• C
• D

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1