Recognizing Exponential Functions

Stephen has $30 in a savings account. The interest rate is 5%, compounded annually.

• Exponential Growth

• Exponential Decay

• Linear Growth

• Linear Decay

A $45,000 car depreciates in value by 7.1% each year after purchase.

• Exponential Growth

• Exponential Decay

• Linear Growth

• Linear Decay

• Exponential Growth

• Exponential Decay

• Linear Growth

• Linear Decay

The graph the number of college basketball teams playing in the March Madness tournament for each round of the tournament. In which round are there 8 teams playing?

• Round 5

• Round 8

• Round 4

• Round 3

Tags

CCSS.HSF.IF.A.2

What is the decay factor shown in the graph?

• 2

• 0.5

• 0.4

• 0.25

Tags

CCSS.HSF-IF.C.7E

An account earning interest at a rate of 4% has a principal of $500,000. If no more deposits or withdrawals are made, about how much money will be in the account after 5 years?

• $595,400

• $608,300

• $705,200

• $620,700

In the function f(x)=142(1.005)^x , is this growth or decay and by how much?

• Growth by 5%

• Growth by 0.5%

• Decay by 5%

• Decay by 0.5%

Tags

CCSS.HSF-IF.C.8B

In the function f(x)=4(.375)^x , is this growth or decay and by how much?

• Growth by 37.5%

• Growth by 62.5%

• Decay by 37.5%

• Decay by 62.5%

Tags

CCSS.HSF-IF.C.8B

In the function f(x)=1.25(0.65)^x , is this growth or decay and by how much?

• Growth by 25%

• Growth by 65%

• Decay by 25%

• Decay by 35%

Tags

CCSS.HSF-IF.C.8B

What is the range of the exponential function?

• all real numbers

• y > -1

• y < -1

• x > -1

Tags

CCSS.HSF-IF.C.7E