Characterize Exponential Functions

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

• 2

• 4

• (2)^x

• 8

Tags

CCSS.HSF-IF.C.7E

Suppose the population of a species of insects doubles every year. There are 1600 insects initially. The function for the scenario would be?

Tags

CCSS.HSF.LE.A.2

Which function models this table?

Tags

CCSS.HSF.LE.A.2

Is the pictured graph increasing, decreasing, or neither?

• Increasing

• Decreasing

• Neither

Tags

CCSS.HSF-IF.C.7E

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

• 2

• 4

• (2)^x

• 8

This is an exponential function.

• True

• False

Tags

CCSS.HSF-LE.A.1A

What is the y-intercept of the function?

• 2

• 3

• 1

• -2

Tags

CCSS.HSF-IF.C.7E

This is an exponential function.

• True

• False

Tags

CCSS.HSF-LE.A.1A

Which equation is represented by the table?

• y = 40(2)^x

• y = 40(1/2)^x

• y = 40 - 2x

• y = 40 - 1/2x

Tags

CCSS.HSF.LE.A.2

What type of pattern do exponential functions have?

• Adds or subtracts by the same number every time

• Multiplies or divides by the same number every time

• Square roots all the inputs

Tags

CCSS.HSF-IF.C.8B