Exponential Functions

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

• Exponential growth

• Exponential decay

• Linear

• None of the Above

Tags

CCSS.HSF-IF.C.8B

What is the y-intercept of the function?

• (3, 0)

• ( $-\infty$ , 0)

• (0, 3)

• (0 , $\infty$ )

Tags

CCSS.HSF-IF.C.7E

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

• Exponential Growth

• Exponential Decay

• Linear

• None of the Above

Tags

CCSS.HSF-IF.C.8B

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x

• y = 35(1.15)^x

• y = 15(0.35)^x

• y = 15(1.35)^x

Tags

CCSS.HSF.LE.A.2

What is the percent of growth/decay of the function f(x)=13(.27)^x

• Growth 27%

• Decay 27%

• Growth 73%

• Decay 73%

• None of the above

Tags

CCSS.HSF-IF.C.8B

Which of the following represents an investment of $400 for 5 years and the interest rate is 4.29% each year.

• y=400(1 - 0.0429)⁵

• y=400(1+.0429)⁵

• y=400(1+ 4.29)⁵

• y=400e^0.049*5

The value of a new car is $25,000 at the time it was purchased. It depreciates in value 8% each year. What is the value of the car after 3 years?

• $14,580.00

• $31,492.80

• $2,000.00

• $19,467.20

Tags

CCSS.HSF.BF.A.2

You deposit $4500 in an account that earns 3% annual interest compounded quarterly. How much money will you have in your account after 5 years?

• $19,115.33

• $5225.33

• $4636.53

• $4671.30

What is the range of the graph?

• All Real Numbers

• x > -8

• y = -8

• y > -8

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What type of function is shown in the graph?

• Exponential Growth

• Exponential Decay

• Both Growth & Decay

• None of the above

Tags

CCSS.HSF-IF.C.7E