Exponents and Logs

 $2^0=$  

• 2

• 1

• 0

• 4

Tags

CCSS.8.EE.A.1

If  $f\left(x\right)=3^{\left(x-1\right)}$  ,   find  $f\left(4\right)$  

•  $\frac{1}{3}$  

• 3

• 1

• 27

 $3^x=81$  convert

•  $\log_3x=81$  

•  $\log_x81=3$  

•  $\log_381=x$  

•  $\ln81=3$  

Which is the graph of  $f\left(x\right)=5^x$  ?

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Based on the graph in #4, find  $\lim_{x\rightarrow\infty}\ 5^x=$  

•  $0$  

•  $5$  

•  $\infty$  

•  $-\infty$  

If  $f\left(x\right)=\log_3x$  which is value of  $f\left(81\right)?$  

• 4

• 2

• -1

• 0

 $8^{2.45}=x$  Solve using your calculator and round to the nearest tenth. 

• 165.9

• -0.3

• 163.1
  
  

• 1

 $10^{4x}=8$  Solve for x with your calculator and round to the nearest hundredth.

• .23

• 0.90

• -0.32

• 1.21

Tags

CCSS.HSF.LE.A.4

 $e^x=20$  Solve for x using your calculator. Round to the nearest hundredth.

•  $2.98$  

• 2.99

• 3.00

•  $4.85\ x\ 10^8$  

Tags

CCSS.HSF.LE.A.4

 $y=\ln x$  is shown in one of the graphs below

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