Exponential Functions

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

• (.27)^x
• .27
• 13
• 3.51

Tags

CCSS.HSF.LE.B.5

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

• 2
• 4
• (2)^x
• 8

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.B.5

Is the pictured graph growth, decay, or linear or none?  

• Growth
• Decay
• Linear
• None

Tags

CCSS.HSF-IF.C.7E

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

Tags

CCSS.HSF-LE.A.1A

Is the equation linear, exponential or neither?

• Linear
• Exponential
• Neither

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.3

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y=5000(0.7)^x
• y=30(5000)^x
• y=5000(1.3)^x
• y=5000x^x

Tags

CCSS.HSF.LE.A.2

A population of fish starts at 8,000 and decreases by 6% per year. What is the initial value?

• 6%
• 8,000
• 0.6
• 0.06

Tags

CCSS.HSF-IF.C.8B

Create a function for the pictured table.

• f(x)=27(3)^x
• f(x)=1/3(27)^x
• f(x)=3(27)^x
• f(x)=27(1/3)^x

Tags

CCSS.HSF.LE.A.2

What is b, the common ratio, for the function: f(x) = 800(0.85)^x?

• 800
• 0.85
• 0.15
• x

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.LE.A.1

CCSS.HSF.LE.B.5

What function type models this graph?

• Exponential Growth
• Exponential Decay
• Linear 
• None of the above

Tags

CCSS.HSF-LE.A.1A