QUIZ PART 1 Evaluating Exponential Functions and Graphs

In an exponential function, what does the 'a' represent?

 $y\ =\ a\ \left(b\right)\ ^x$  

• y intercept

• rate of change

• exponent

In an exponential function, what does the 'b' represent?

 $y\ =\ a\ \left(b\right)\ ^x$  

• y intercept

• rate of change

• exponent

What is the equation of the following graph?

•  $f\left(x\right)\ =\ 2\left(\frac{1}{3}\right)^x$  

•  $f\left(x\right)\ =\ 3x\ +\ 2$  

•  $f\left(x\right)\ =\ 5\ \left(7\right)\ ^x$  

What is the equation of the following graph?

• $f\left(x\right)\ =\ 4x\ +\ 1$

• $f\left(x\right)\ =\ 5\ \left(\ 2\right)^x$

• $f\left(x\right)\ =\ 3\ \left(\frac{2}{3}\right)^x$

When graphing an exponential function where do you start?

• Y intercept

• Rate of Change

Evaluate the function for f (2)
 $f\left(x\right)\ =\ 3\left(5\right)^x$  

Evaluate the function for f (3)
 $f\left(x\right)\ =\ 4\left(2\right)^x$  

Evaluate the function for f(0)
 $f\left(x\right)\ =\ 10\left(4\right)^x+5$  

Evaluate the function for f(1)
 $f\left(x\right)\ =\ 2\left(6\right)^x-4$  

Evaluate the function for f(4)
 $f\left(x\right)=5^x$