4.1 - Exponential Functions

What is the y-intercept of the function  $y=4\left(5\right)^x?$  

• (0, 0)

• (0, 4)

• (0, 5)

Tags

CCSS.HSF-IF.C.7E

What is the asymptote of the function  $y=4\left(5\right)^x?$  

• y = 0

• y = 4

• y = 5

Tags

CCSS.HSF-IF.C.7E

How has the function  $y\ =\ 7\left(3\right)^x-5$  been transformed from the parent function  $y\ =\ 7\left(3\right)^x$  ?

• Shifted up 5

• Shifted down 5

• Reflection over the x-axis

• Reflection over the y-axis

How has the function  $y\ =\ -5\left(3\right)^x$  been transformed from the parent function  $y\ =\ 5\left(3\right)^x$  ?

• Shifted up 5

• Shifted down 5

• Reflection over the x-axis

• Reflection over the y-axis

How has the function  $y\ =\ -5\left(3\right)^x+4$  been transformed from the parent function  $y\ =\ 5\left(3\right)^x$  ?

• Reflection over the x-axis and shifted down 4

• Reflection over the y-axis and shifted down 4

• Reflection over the x-axis and shifted up 4

• Reflection over the y-axis and shifted up 4

Identify the y-intercept of the function  $y\ =\ -2\left(3\right)^x+4$  

• y-intercept at (0, -3)

• y-intercept at (0, 1)

• y-intercept at (0, -7)

• y-intercept at (0, 2)

Identify the asymptote of the function  $y\ =\ -2\left(3\right)^x+4$  

• y = 3

• y = 1

• y = 4

• y = -2

Match the correct equation with the graph.

•  $y\ =\ -3\left(3\right)^x+2$ 

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

•  $y\ =\ -3\left(3\right)^x-2$ 

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

Match the correct equation with the graph.

• $y=-\left(\frac{1}{4}\right)^x-2$

• $y=4^x-2$

• $y=-4^x-2$

• $y=\left(\frac{1}{4}\right)^x-2$

What is the y-intercept of the function?

• (0, 2)

• (0, 3)

• (0, 1)

• (0, -2)