Describe Functions Qualitatively

• A
• B
• C
• D

Interval 2 is...

• Increasing, linear

• Increasing, nonlinear

• Decreasing, linear

• Decreasing, nonlinear

Is this graph a function or not a function? 

• Function 

• Not a Function

Is this graph a function or not a function? 

• Function

• Not a Function

Does the mapping of these points represent a function? (Note: the left oval represents your x values and the right oval represents your y values)

• Function

• Not a Function

A graph used to represent situations that do not necessarily have numerical values.

• ordered pair

• qualitative graph

• nonlinear function

• vertical line test

Is the following graph a function? Explain.

• Yes, because no x-value repeats.

• Yes, because they are individual dots.

• No, because the x repeats.

• No, because it is not a line.

Which statement about the graph is true?

• The graph is decreasing in intervals 1 and 3.

• The graph is increasing in intervals 2 and 4.

• The graph has a constant rate of change.

• The graph is decreasing at interval 2.

Which statement is true about intervals 2 and 5?

• The function is increasing.

• The function is constant.

• The function is decreasing.

• This graph does not represent a function.

Kai travels home and made several stops and detours as shown by the graph. During which intervals is the function increasing?

• a, c, e

• c and d

• c, d, e

• c and e