Exponential Growth Functions

The value of a collector’s item is expected to increase exponentially each year. The item is purchased for $500 and its value increases at a rate of 5% per year. Find the value of the item after 4 years.

• $578.81

• $607.75

• $1687.50

• $2531.25

What is the starting term for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

Tags

CCSS.HSF.LE.B.5

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

• y = 15(35)^x

• y = 15(1.35)^x

• y = 15(0.35)^x

• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2

James' 70 in. giant peach doubles in size every week. Write an expression that would represent how big the peach is after 5 weeks.

• 70(2)³⁵

• 70(2)⁵

• 2(70)⁵

• 5(70)²

Tags

CCSS.HSF.BF.A.2

Twenty years ago, Mr. Davis purchased his home for $160,000. Since then, the value of the home has increased about 5% per year. How much is the home worth today?

• $176,783.29

• $424,527.63

• $57,357.75

• $532,041,076.80

Tags

CCSS.HSA.CED.A.1

What does r stand for: A=P(1+r)^t

• New Amount

• Principal Amount (starting amount)

• Rate

• Time

A stock with initial cost of $20 per share doubled every year for 3 years. What is the price per share after 3 years?

• $160

• $253

• $177

• $222

Tags

CCSS.HSF.BF.A.2

What is the initial value of the situation represented by f(x)=0.05(2)^x?

• 0.05

• 2

• 0.1

• 1

Tags

CCSS.HSF.LE.B.5

Which variable represents time passed in the function y=ab^x?

• y

• a

• b

• x

Bacteria growing can be represented by which of the following?

• Exponential Growth

• Exponential Decay

Tags

CCSS.HSF-LE.A.1A