Exponential Functions

The y-intercept for this exponential function is

• 3
• 6
• 1
• 9

Tags

CCSS.HSF-IF.C.7E

The growth factor for this table is 

• 2
• 4
• 12
• 144

Tags

CCSS.HSF-LE.A.1A

The equation for this table is 

• y = 100(2^x)
• y = 2^x
• y = 2x + 100
• y = 100^x

Tags

CCSS.HSF.LE.A.2

Which ONE of the following equations represents exponential decay?

Tags

CCSS.HSF-LE.A.1A

A population of humpback whales has 6,500 whales. Their population is declining such that only 94% of the number of whales remain from the year before. Choose the equation that matches this situation:

Tags

CCSS.HSF.LE.A.2

Mr. Cameron is spending his retirement funds pretty quickly. His account has $800,000 but he spends 1/4 of the money each year. Choose an equation that shows his current amount after x years:

Tags

CCSS.HSF.LE.A.2

Which equation represents exponential decay?

The population of Townville is decreasing at a rate of 6% each year. If the starting population was 7,000 what equation represents the current population after x number of years?

Tags

CCSS.HSF.LE.A.2

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

What is the balance of $6000 compounded annually at a rate of 4% for 10 years?

• $8,881.47
• $7,432.93
• $8,400
• $6,500