Basic Exponential Functions

What is the equation that represents the exponential function in the image below?

• y=3(½)^x

• y=(2)^x

• y=3(2)^x

• y=2(3)^x

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

• y-intercept

• initial value

• starting amount

• all of the above

Is the function y=2^x an exponential function?

• True

• False

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

• Linear

• Exponential Decay

• Exponential Growth

• None of the above

What is the domain of the function shown below?

• -2 < x < 5

• 0 < x < 12

• y > 0

• All Real Numbers

What is the range of the exponential function represented by the graph above?

• y = ℝ

• y > -4

• y > -2

• y=-4

Which of the following is true for the graph shown?

• The range is the set of all real numbers less than 0.

• The domain is the set of all real numbers greater than -4.

• The range is the set of all real numbers greater than 0.

• The domain is the set of all real numbers less than -4.

Which of the following equations represents the shown graph?

• The end behavior of the graph is x →∞, y→⁻∞ and x →⁻∞,y→⁻∞
• The end behavior of the graph is x →∞, y→∞ and x→⁻∞, y→∞
• The end behavior of the graph is x →∞, y→∞ and x→⁻∞, y→2
• The end behavior of the graph is x →∞,y→2 and x→⁻∞, y→∞