Algebra Review 6.1-6.5

Olivia would like to buy some new furniture for her home. She decides to buy the furniture on credit with 9.5% interest compounded quarterly. If she spent $7,400, how much total will she have paid after 8 years?

• $15,415.94
• $15,683.28
• $15,927.56
• $16,109.05

The attendance at the art museum at the New Year’s opening was 250 people. The attendance has been increasing at a rate of 3% each month. How many people will attend by the end of a year?

• 356
• 265
• 5825
• 1329

Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)³

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

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

• Exponential Growth
• Exponential Decay
• Linear
• None

Tags

CCSS.HSF-IF.C.7E

The half-life of strontium-90 is 25 years. How much strontium-90 will remain after 100 years if the initial amount is 4.0 g?

• 3.0g
• 0.25mg
• 0.3g
• 0.25g

Tags

CCSS.HSF.LE.A.4

The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 7.2 minutes has elapsed?

• 100.0g
• 50.0g
• 12.5g
• 8.5g

A car is purchased for $28,000.  The value of the car depreciates 15% per year.  What is the value of the car after 5 years?

• $12,424
• $10,560
• $5,600
• $56,318

Tags

CCSS.HSF.BF.A.2

Adam bought a fish aquarium worth $2,000. Its value depreciates by 3% per month.  What is the exponential equation represents how much the aquarium is worth after x months?

• f(x) = 2,000(1.03)^x
• f(x) = 2,000(3)^x
• f(x)= 2,000(0.97)^x
• f(x)= 2,000(1)^x

Tags

CCSS.HSF.LE.A.2

What is a, the starting term, for the function: f(x) = 800(0.85)^x?

• 800
• 0.85
• 0.15
• x

Tags

CCSS.HSF.LE.B.5