Algebra DR Unit 8 Quiz #3 Review

1. What is this type of function called?

• Discrete Function

• Segment Function

• Step Function

• Jump Function

• Linear

Tags

CCSS.HSF-IF.C.7B

How much does it cost to rent the Karaoke machine for 3 days?

• $50
• $100
• $150
• $175

Tags

CCSS.HSF.IF.B.4

What is the value of y when x = -2?

• 4

• 2

• -3

• -4

Tags

CCSS.HSF.IF.A.2

How much would postage cost for a letter that weighs 2.1 ounces?

• 41 cents

• 39 cents

• 45 cents

• 43 cents

What is the value of y when x = 0?

• -3

• 4

• 2

• 0

Tags

CCSS.HSF.IF.A.2

What does the model P=A(1+r)^t best represent?

• Exponential growth
• Simple Interest
• Compound Interest
• Exponential Decay

Tags

CCSS.HSF-IF.C.8B

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

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

Tags

CCSS.HSF-IF.C.8B

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y=5000(0.7)^x
• y=30(5000)^x
• y=5000(1.3)^x
• y=5000x^x

Tags

CCSS.HSF.LE.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
• Exponential Decay
• Linear
• None of the above

Tags

CCSS.HSF-IF.C.8B