Simplify the expression. Write your answer using only positive exponents:
 $7^{-1}$   

Simplify the expression. Write your answer using only positive exponents:
 $b^3\cdot b^8$  

Simplify the expression. Write your answer using only positive exponents:
 $\left(x^2\right)^{-5}$  

Simplify the expression. Write your answer using only positive exponents:
 $\left(\frac{8r^{-4}}{s^{-5}}\right)^2$  

Which graph below represents the following exponential function:
 $y=1\left(\frac{1}{3}\right)^x$  

Which graph below represents the following exponential function:
 $y=2\left(3\right)^x$  

For exponential functions,  $y=ab^x$  , what does  $a$   do? Select all that apply (3 answers).

Determine whether the table represents an exponential growth function, an exponential decay function, or neither:

Determine whether the table represents an exponential growth function, an exponential decay function, or neither:

Determine whether the table represents an exponential growth function, an exponential decay function, or neither:

Determine whether the function represents exponential growth or exponential decay:
 $y=12\left(1.05\right)^t$  

Determine whether the function represents exponential growth or exponential decay:
 $y=7\left(\frac{3}{4}\right)^t$  

Identify the initial amount and the rate of growth as a percent: $y=350\left(1+0.75\right)^t$ 

Identify the initial amount and the rate of growth as a percent: $y=16\left(0.85\right)^t$ 

A  $\$3,500$  deposit earns  $9.2\%$  annual interest compounded quarterly. Write a function that represents the balance after  $t$   years.