Exploring Exponential Functions: Writing and Graphing Techniques

What is the decay factor if the y-values are halving each time?

• 1/2

• 2

• 4

• 1/4

What is the y-intercept of the function if it crosses the y-axis at (0, 4)?

• 1/2

• 4

• 2

• 0

If a graph is increasing from left to right, what type of exponential function is it?

• Quadratic

• Linear

• Growth

• Decay

What is the growth factor if the y-values are tripling each time?

• 1/3

• 3

• 1/2

• 2

What is the y-intercept of the function if it crosses the y-axis at (0, 2)?

• 4

• 2

• 0

• 1/2

If the decay factor is 1/2, what happens to the y-values as x increases?

• They double

• They halve

• They triple

• They stay the same

What is the y-value for x = -2 if the decay factor is 1/2 and the y-intercept is 2?

• 1

• 4

• 8

• 1/2

What is the domain of an exponential function?

• All real numbers

• Positive numbers only

• Negative numbers only

• Integers only

What is the range of an exponential function that approaches the x-axis but never touches it?

• All real numbers

• Greater than zero

• Equal to zero

• Less than zero

What is the equation of the asymptote for most exponential functions in Algebra 1?

• x = 1

• x = 0

• y = 0

• y = 1