Exponential Review 2

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

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

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.3

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

Which equation matches the graph?

• y=2(2)^x
• y=2(1/2)^x
• y=2^x
• y=1/2(2)^x

Tags

CCSS.HSF.LE.A.2

What is the equation that represents the exponential function in the image below?

• y=3(½)^x
• y=3(2)^x
• y=(2)^x
• y=2(3)^x

Tags

CCSS.HSF.LE.A.2

Which function is graphed?

• f(x) = 10(0.8)^x

• f(x) = 10(0.5)^x

• f(x) = 0.8(10)^x

• f(x) = 12(0.8)^x

Tags

CCSS.HSF.LE.A.2

Use the function, M=.05(2)^t, where M is the amount of money you have after t days.
How much money will you have after 14 days?

• $ 819.20
• $ 8,192.00
• $ 1.40
• $ 819.02

Tags

CCSS.HSF-IF.C.8B

Use the function, M=.05(2)^t, where M is the amount of money you have after t days.
What is the y-intercept?

• (0, .05)
• (0,2)
• (0, .1)
• (0,0)

Tags

CCSS.HSF-IF.C.7E

Use the function, f(x) = (3/2)^x.
What is the y-intercept?

• (0,3)
• (0,2)
• (0,1)
• (0,0)

Tags

CCSS.HSF-IF.C.7E

Use the function, N = 14,000(.96)^t. Where N is the number of employees and t is the number of years.
How many employees will there be after 3 years?

• 14,000 employees
• 12,386 employees
• 40,360 employees
• 15,748 employees

Tags

CCSS.HSF-LE.A.1C

Given the equation y=5(0.96)^x what is the domain?

• y > 0

• y < 0

• y > 5

• All Reals