Exponentials & Logarithms (Alg. 2)

Find F(4) if F(x) =  $3^x$  

• 7

• 12

• 27

• 81

 $\left(\frac{1}{4}\right)^x$  

Find F(3) if F(x) =

•  $\frac{1}{64}$  

•  $\frac{3}{64}$  

•  $\frac{1}{12}$  

•  $\frac{3}{4}$  

 $\frac{1}{3}\cdot4^x$  

Find F(2) if F(x) =

• 2

•  $\frac{16}{3}$  

•  $\frac{8}{3}$  

• 4

 $5^x$  

Find F(-2) if F(x) =

• -25

• -10

•  $\frac{1}{25}$  

•  $\frac{1}{10}$  

 $2\cdot\frac{1}{2^{3t}}$  

Find F(2) if F(t) =

•  $\frac{1}{64}$  

•  $\frac{1}{32}$  

•  $\frac{1}{16}$  

•  $\frac{1}{8}$  

True or False: An exponential growth function will go up from left to right; an exponential decay function will go down from left to right.

• True

• False

 $A\left(t\right)=P\left(1+\frac{r}{n}\right)^{nt}$  

How much would $200 invested at 6% interest compounded annually be worth after 5 years?

 $A\left(t\right)=P\left(1+\frac{r}{n}\right)^{nt}$  

How much would $500 invested at 9% interest compounded annually be worth after 4 years?

 $A\left(t\right)=P\left(1+\frac{r}{n}\right)^{nt}$  

How much would $500 invested at 5% interest compounded monthly be worth after 4 years?

 $A\left(t\right)\ =\ P\cdot e^{rt}$  

How much would $300 invested at 9% interest compounded continuously be worth after 3 years?