Introduction Exponential Functions

Determine if the graph represents growth or decay. Also determine the value of a for its equation.

• decay, 5

• decay, 1

• growth, 5

• growth, 1

Evaluate when x = 2

f(x) = 2(3)^x

• 9

• 12

• 18

• 36

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

• SLOPE

• RATE OF CHANGE

• INITIAL AMOUNT

• GROWTH OR DECAY FACTOR

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

• SLOPE

• RATE OF CHANGE

• INITIAL AMOUNT

• GROWTH OR DECAY  FACTOR

What type of function is y = 7(6.25)^x?

• Exponential Growth

• Exponential Decay

• Linear

• None of the above

Which equation is represented by the table?

• y = 40(2)^x

• y = 40(1/2)^x

• y = 40 - 2x

• y = 40 - 1/2x

Is the table linear, exponential or neither?

• Linear

• Exponential

• Neither

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

• Exponential Growth

• Linear

• Exponential Decay

• None of the Abovee

What does 2.5 represent?

• Initial Amount

• y-intercept

• Growth Factor

• Growth Rate

What is the initial amount?

• 6

• 1

• 0

• -6