What is the parent function that we use to compare exponential functions?

• $y=x$

• $y=2^x$

• $y=x^3$

• $y=0$

• flips across x-axis

• shifts right

• shifts left

• flips across the y-axis

• Shifts up

• Shifts down

• Shifts left

• Shifts right

• Shifts up

• Shifts down

• Shifts left

• Shifts right

Which of these is an exponential function?

• 
• 
• 
• 

Would this function represent exponential growth or decay?

 $y=\left(0.4\right)^x$  

• Exponential growth

• Exponential decay

• Both

• Neither

Would this function represent exponential growth or decay?

 $y=500^x$  

• Exponential growth

• Exponential decay

• Both

• Neither

A(n) ___________________ is a line that the graph gets really close to but never crosses.

• equation

• asymptote

• function

• barrier

The domain of all exponential functions is....

• y > 0

• x > 0

• all real numbers

The range of an exponential function depends on the....

• x-values

• x-intercept

• y-intercept

• horizontal asymptote