05/10- Assessment #9 Exponential Functions

What is the y-intercept?

• (0,0)
• (0,1)
• (-3,0)
• (0,-3)

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

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

Is the graph linear, exponential or neither?

• Linear
• Exponential
• Neither

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

• SLOPE
• RATE OF CHANGE
• INITIAL AMOUNT
• GROWTH OR DECAY FACTOR

A line that the graph continually approaches but never touches is a(n) _____________________

• parabola
• asymptote
• rational function
• None of these

What is the asymptote of y = 2^x - 3

• y = 0

• y = -3

• x = 0

• x = -3

Pick the equation that represents exponential growth (is increasing).

• y=2(0.5)^x

• y = 0.5(2)^x

Which equation matches the graph?

• y = 4^x + 3

• y = 4^x - 3

• y = 4^{(x + 3)}

• y = 4^{(x - 3)}

Which equation matches this graph?

• 
• 
• 
• 

What is the decay rate in the following model?

A=1200(.85)⁶

• 1200

• .15

• .85

• 6