Parts of an Exponential

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

• Growth

• Decay

• Linear

• None

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

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT/INITIAL VALUE

• GROWTH OR DECAY FACTOR

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

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT/INITIAL VALUE

• GROWTH OR DECAY FACTOR

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

• (.27)^x
• .27
• 13
• 3.51

What is the equation of the graph shown, and what is the y-intercept?

• y = 1⁄3 (3)^x ; a = 1⁄3

• y = 1⁄3 (3)^x ; a = 3

• y = 3 (1/3)^x ; a = 1⁄3

• y = 3 (1/3)^x ; a = 3

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What is the equation of the graph shown, and what is the y-intercept?

• y = 1⁄3 (3)^x ; (0, 1⁄3)

• y = 1⁄3 (3)^x ; (0, 3)

• y = 3 (1/3)^x ; (0, 1⁄3)

• y = 3 (1/3)^x ; (0,3)

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

• 2

• 4

• (2)^x

• 8

Given the function y=5(0.6)^x what is the initial value?

• 5

• 0.6

• 500

• 60

For the equation y = 7(0.93)^t, the number 7 represents which component of the exponential decay equation?

• Rate of change

• Time

• Initial value

• Final amount