Exponential Functions HW2

If a table's pattern is that the f(x) values are being divided by 3, what is the common ratio?

• 3
• -3
• 1/3
• -1/3

Tags

CCSS.HSF.BF.A.2

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

• y=6(0.14)^x
• y=6(1+14)^x
• y=6(1.14)^x
• y=6(0.86)^x

Tags

CCSS.HSF.LE.A.2

What type of function is y = 7(5/4)^x?

• Exponential Growth of 5/4

• Exponential Decay of 5/ 4

• Exponential Growth of 1/4

• Exponential Decay of 1/4

What is the common ratio for the sequence:

3,200, 800, 200, 50,...

• 4

• 1/4

• 1/8

• 8

What is the common ratio for the sequence:
3, 15, 75...

• 12
• 1/5
• 5

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

• 2
• 4
• (2)^x
• 8

Tags

CCSS.HSF-IF.C.7E

Is the following function and example of decay or growth?

f(x)=2(0.85)^x

• Exponential Decay of 85%

• Exponential Growth of 85%

• Exponential Decay of 15%

• Exponential Growth of 15%

Is the following function an example of decay or growth?

f(x) = 2(1.25)^x

• Exponential Growth of 25%

• Exponential Decay of 25%

• Exponential Growth of 75%

• Exponential Decay of 75%

What does the y-intercept of the graph represent?

• The amount of grams the material is gaining.
• The amount of grams the material is losing.
• The amount of grams remaining after so many years.
• The initial amount of grams.

Tags

CCSS.HSF.LE.B.5