2.02 Quiz: Self Check 2

Is this equation an example of growth or decay?

 $y=4^x$  

• Growth

• Decay

Is this equation an example of growth or decay?
 $y=2.1(0.15)^{x\ }$  

• Growth
  

• Decay

Is this equation an example of growth or decay?
 $y=2(3)^{−x}$  

• Growth

• Decay

Is this equation an example of growth or decay?
 $y=0.5(4)^x$  

• Growth

• Decay

What is the y-intercept of  $y=4^x$  ?

• 0

• 1

• 4

• 8

 $y=2.1(0.15)^x$  What is the y-intercept of ?

• 2.1

• 1

• 0.15

• 0

 $y=5(6.8)^x$  What is the y-intercept of ?

• 6.8

• 5

• 1

• 0

What is the y-intercept of  $y=2(3)^{−x}$ ?

• 3

• 2

• 0

• - 1
  

What is the y-intercept of  $y=0.5(4)^x$  ?

• 4

• 2

• 0.5

• 0