Logarithmic Test Review

log₂(x+3)=4

• 16

• 13

• 3

• 10

Which function is the inverse of f(x) = ln x

• f(x) = e^x

• f(x) = 2^x

• f(x) = 10^x

• f(x) = 1/log x

Answer explanation

If you forget, just look at above ln x on the calculator in blue.

Tags

exponential functions and logarithmic functions

Solve for x:

• 1

• 2

• .5

• 4

Solve the equation for x.

• 7.389

• 0.693

• 0.0183

• 6.581

Log with a base "e" (log_e) is the same thing as...

• "e"

• Natural Logarithm (LN)

• Common Logarithm (Log)

• Natural Log, base "e"
  LN_e

Log with a base "e" (log_e) is the same thing as...

• "e"

• Natural Logarithm (LN)

• Common Logarithm (Log)

• Natural Log, base "e"
  LN_e

• x = 2

• x = -2

• y = 2

• y = -2

Solve for x

• 5/3

• 2

• 3/5

• No solution

• Reflection across the y-axis, shrink by a factor of 3, horizontal shift left 7 

• Reflection across the asymptote, horizontal shift right 3, vertical shift down 7 

• Reflection across the asymptote, stretch by a factor of 3, vertical shift down 7 

• Stretch by a factor of 3, vertical shift down 7