Exponential Equations Big Ideas

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

• Growth

• Decay

• Linear

• None

The equation for this table is 

• y = 1(2^x)

• y = 1(12^x)

• y = 12x

• y = 12x + 1

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

• Exponential Growth

• Linear

• Exponential Decay

• None of the Abovee

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

Solve each equation. Select the closest answer.

• 4.5

• 1.5

• 1.8

• 5

What type of function is y = 7(5/4)^x?

• Exponential Growth

• Exponential Decay

• Linear

• None of the above

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

• (.27)^x
• .27
• 13
• 3.51

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

• Growth

• Decay

• Linear

• None

The growth factor for this table is 

• 2

• 4

• 12

• 144

The equation for this table is

• y = 3x + 50

• y = 50^x

• y = 3^x

• y = 50(3^x)