Exponential Functions and Regression

Which of the equations below represent this table?

• y=3⋅(36)^x
• y=36⋅(3)^x
• y=3⋅(⅓)^x
• y=36⋅(⅓)^x

Tags

CCSS.HSF.LE.A.2

What function best models the data in the table?

• linear

• exponential

• quadratic

Is this a function? Explain.

• Yes; it passes the horizontal line test.
• No; it is not a straight line.
• Yes; it passes the vertical line test.
• No; there is a line connecting the dots.

What is the exponential regression equation of this data set?

• y=512(0.25)^x

• y=32(4)^x
• y=32(0.25)^x

• y=512(4)^x

Tags

CCSS.HSF.LE.A.2

What is the domain of the function f(x) = 2^x - 3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Identify the Function

• 
• 
• 
• 
• 

Write the equation of the graph.

• f(x) = 3^(x+2)

• f(x) = 3^x - 2

• f(x) = 3^x + 2

• f(x) = 3^(x-2)

What is the asymptote of y = 2^x-3 ?

• y = 0

• y = -3

• x = 0

• x = -3

Tags

CCSS.HSF-IF.C.7D

This student followed the steps to find and inverse of a function. Did the student follow the steps correctly?

• no

• yes

Tags

CCSS.HSF-BF.B.4A

Write the exponential regression equation for the data.

• Y=8.16(2.7)^x

• Y=81.6(2.7)^x

• Y=8.16(.27)^x

• Y=8.16(27)^x

Tags

CCSS.HSF.LE.A.2