Logarithms Quiz

 $\log_4\left(64\right)=$  

• 2

• 16

• 8

• 3

 $\log_5\left(125\right)=3$  
Which exponential equation below correctly matches the logarithmic equation above? (Rewrite the logarithm)

•  $\left(5\right)3=125$  

•  $5^3=125$  

•  $5^{125}=3$  

•  $125^3=5$  

Which function is the parent function the graph above?

• $f\left(x\right)=\log\left(x\right)$

• $f\left(x\right)=10^x$

• $f\left(x\right)=\frac{1}{x}$

 $\log_5\left(x-4\right)=2$  

Solve for x:

• 14

• 21

• 22/5

• 29

 $\ln\left(x\right)-\ln\left(4\right)=\ln\left(2\right)$  

Solve for x:

• 1/2

• 8

• 6

• -2

Josue invests in an account that gains 4% annually. How long will it take Jose's account to double in value?

• $\frac{\log\left(2\right)}{\log\left(1.4\right)}years$

• $\frac{2}{1.04}years$

• $\frac{\ln\left(2\right)}{.04}$

• $\frac{\log\left(2\right)}{\log\left(1.04\right)}years$