Exponential Function Test Review

A population grows according to y=1000(1.35)^t, where t is measured in years. Which is true?

• Each year the population increases 135%.

• Each year the population increases 13.5%.

• Each year the population increases 35%.

• Each year the population increases 3.5%

What is the range of y=3^x?

• y>0

• y>0

• y>3

• all real numbers

What is the common ratio of the following geometric sequence:

3, 15, 75, 375

• r = 3

• r = 5

• r = 6

• r = 375

What is the 9^th term of the following geometric sequence:

3, 15, 75, 375

• 1875

• 9375

• 234,375

• 1,171,875

Evaluate the following function rule with the given input:

f(4)

• 64

• 15

• 67

• 61

Which of the following graphs depicts the following exponential function:

f(x) = 2^x - 2

• 
• 
• 
• 

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

In an exponential function, what does the 'a' represent? 

• SLOPE
• RATE OF CHANGE
• Y-INTERCEPT
• COMMON RATIO

Tags

CCSS.HSF.LE.B.5

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the decay factor?

• ^.08
• ^1.08
• .92
• 8

Tags

CCSS.HSF-LE.A.1C

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

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

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B