Unit 10 Exponential Functions WU

What is the initial value in y=4(2)^x

• 4

• 2

• x

What is the y-intercept in y=4(2)^x

• (4,0)

• (0,2)

• x

• (0,4)

• (4,2)

What is the equation that best represents the graph?

• y=2^y
• y=2^x
• y=2^-x
• y=x²

Given the original exponential function defined by y=4^x, how would the graph change if the function were:

y=2(4)^x-3+1?

• y-int = 2,

  right 3 and up 1

• y-int = 2,

  left 3 and down 1

• y-int = 4,

  right 3 and down 1

• y-int = 4,

  left 3 and up 1

What is the transformation?

• Vertical Translation up 2 and Horizontal translation right 1
• Vertical Translation down 2 and Horizontal Translation left 1
• Horizontal Translation left 2 and Vertical Translation up 1
• Horizontal Translation right 2 and Vertical Translation down 1

What is the Domain of this exponential function?

• y=1

• x=0

• All Real Numbers

• x>0

What is the range of the exponential function?

• all real numbers

• y > 3

• y < 3

• x > 3

The graph of an exponential function is shown on the grid.

Based on the graph, which statement about the function is true?

• The range is the set of all real numbers less than 0

• The domain is the set of all real numbers greater than -4

• The range is the set of all real numbers greater than 0

• The domain is the set of all real numbers less than -4