Graphing Review

Which the following graphs shows an exponential decay equation?

• 
• 
• 
• 

Which equation best describes the graph? 

• y = 2^x + 4
• y = 2^x - 3
• y = 2^x - 4
• y = 2^x + 3 

What is the y-intercept for the function:
f(x) = 4(2)^x

• A
  2
• B
  4
• C
  0
• D
  8

Using the parent function y=3^x what would the graph of y=3^x+1 look like?

• Horizontal Shift to the right 1 unit
• Horizontal shift to the left one unit
• Vertical shift one unit up
• Vertical shift one unit down

What kind of shift happens with this function?

• 4 points up
• 4 points to the left
• 4 points to the right
• 4 points down

• (7, 1)

• (7, -1)

• Does not exist

• (1, 7)

• (4, 0)

• (1, 0) 

• (-1, 0)

• (-4, 0)

What are the transformations of this functions compared to the parent function?

• Shifted down 2
• Shifted up 2
• Shifted left 2
• Shifted right 2

What is the equation of the graph?

• y = √(x - 3)

• y = √(x) + 3

• y = √(x - 5) + 4

• y = √(x + 5) + 4

What is the equation of the graph?

• y = -√(x + 5)
• y = √(x) - 2
• y = √(x - 3)
• y = √(x) + 3