Review of Exponential Functions

Based on the graph, which statement does not appear to be true?

• The company opened 400 stores by the end of 1992

• Every year the number of stores opened increased by 25%

• The company opened 100 stores in 1 year

• Since 1992, the company has opened 250 stores each year

Which value is closest to the amount of land the toads will occupy after 40 years?

Which best describes the graph given?

• Exponential Decay, asymptote at y = -1

• Exponential Growth, asymptote at y = 0

• Exponential Growth, asymptote at y = -1

• Exponential Decay, asymptote at y = 0

Which function represents the table of values? 

• f(x) = 4x

• f(x) = x³

• f(x) = 4^x

• f(x) = 4^x-1

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

A colony of termites is growing continuously at a rate of 6.2% monthly. If the colony starts with 500, how many would there be in one year?

• 02 E 35 (huge amount)

• 1052

• 246375

• 532

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

• 300

• 1.16

• .16

• x

Tisha deposited $200 in a savings account earning 12% interest, compounded annually.
To the nearest cent, how much will she have in 3 years?

• $280.99

• $224

• $80.99

• $136.29

In the equation
y = 10 * 3^x 
What is the initial amount?

• 10

• 3

• x

• y

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

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• COMMON RATIO