Compositions, Exponentials, and Logarithmic Functions Unit

what type of a function is  $f\left(x\right)=2\left(\frac{1}{7}\right)$  

• exponetial growth 

• linear

• expontial decay 

• none of the above 

 $f\left(x\right)=2\left(4\right)^x$  

identify the y-intercept of the function

• 2

• 4

• 16

• 8

this graph demonstrates growth decay, or linear or none

• growth

• linear

• decay

• none

 $f\left(x\right)=21\left(1.25\right)^x$  

is the following function an example of decay or growth

• exponential growth 

• exponential decay 

  $f\left(x\right)=5$  

what is the range

• y>0

• x>0

 $\log_525=$  

• 2

• 5

• 125

• 10

 $\log_416$  

evaluate

• 4

• 16

• 2

• -2

 $3^x=27$  

solve for x

• 2

• 4

• 3

• 5

 $5^2=25$  

write in logarithmic form.

•  $\log_52=25$  

•  $\log_225=5$  

•  $\log_525=2$  

• idk

the common logarithm has what base

• 0

• 10

• idk

• -10