Exponential Function Characteristics

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

• BASE

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

Which equation matches this graph?

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

• y = 0

• y = -3

• x = 0

• x = -3

What is the domain of the function?

• 2.5

• 1/4

• 10

• 40

• 6.05

• 7.2

• 1.25

• 8.45

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

• Exponential Growth
• Exponential Decay
• Linear
• None

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

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

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

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

Which of these is NOT an exponential function?