Intro to Exponential Functions Quiz Review

What is the x-intercept of the exponential function? 

• (0,1)
• (0,0)
• There is not one

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

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

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

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

• 2
• 4
• (2)^x
• 8

Is this exponential growth or decay?

• Growth
• Decay

• 3

What is the horizontal asymptote for the graph of

f(x)=13(0.5)^x ?

• y=0.5

• y=13

• y=6

• y=0

• 96

• 7776

• 30

What is the domain of the graph?

• all real numbers greater than or equal to -3

• all real numbers greater than to -3

• All real numbers

• all real numbers less than to -3

Is the graph growth or decay?

• growth, it increases from left to right

• decay, it decreases from left to right

• growth, it increases from right to left

• decay, it decreases from right to left