Logarithm Review

Find the inverse of  $f\left(x\right)=6^x$  .

•  $f^{-1}\left(x\right)=\log_x6$  

•  $f^{-1}\left(x\right)=\log_6x$  

•  $f^{-1}\left(x\right)=\log_{6x}^{ }$  

•  $f^{-1}\left(x\right)=\log\ \left(6+x\right)$  

Tags

CCSS.HSF-BF.B.4A

Find the inverse function of  $f\left(x\right)=5^x$  

•  $f^{-1}\left(x\right)\ =\ \log_5x$  

•  $f^{-1}\left(x\right)=\log_{5x}$  

•  $f^{-1}\left(x\right)=5\log x$  

•  $f^{-1}\left(x\right)=\log5x$  

Tags

CCSS.HSF-BF.B.4A

Which equation is the inverse of the equation above?

• 
• 
• 
• 

Tags

CCSS.HSF-BF.B.4A

• A
• B
• C
• D

• A
• B
• C
• D

Expand

• A
• B
• C
• D

Expand

• log₇x + log₇y + 4log₇z
• 4log₇x + 4log₇y + 4log₇z
• log₇x - log₇y - 4log₇z
• 4log₇x - 4log₇y - 4log₇z

What is a, the starting term, for the function: f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

Tags

CCSS.HSF.LE.B.5

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the decay factor?

• ^.08
• ^1.08
• .92
• 8

Tags

CCSS.HSF-LE.A.1C

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x
• y = 15(1.35)^x
• y = 15(0.35)^x
• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2