exponential functions

Is the graph linear, exponential or neither?

• Linear
• Exponential
• Neither

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

• (.27)^x
• .27
• 13
• 3.51

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

• 2
• 4
• (2)^x
• 8

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

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

Is the following function and example of decay or growth?

f(x)=2(0.85)^x

• Exponential Decay

• Exponential Growth

Which of the following is an increasing exponential function whose y-intercept is 50?

• y = 50(.05)^x
• y = 50x - 4
• y = (2)^x + 50
• y = 50(1.4)^x

Is the following function an example of decay or growth?

f(x) = 2(1.25)^x

• Exponential Growth

• Exponential Decay

What is the x-intercept of the exponential function? 

• (0,1)
• (0,0)
• There is not one

Classify the function, f(x) = 6.5(0.85)^x.

• exponential growth
• exponential decay
• positive linear
• negative linear

If a table's pattern is that the f(x) values are being divided by 3, what is the common ratio?

• 3
• -3
• 1/3
• -1/3