Key Features of Function Graphs

What is the interval of decrease of this function?

• (1, +∞)

• None

• (2, +∞)

• (-∞, +∞)

Determine the average rate of change over the interval [-2, 2].

• 4

• -4

• 1

• -1

How do you know this is a function?

• Each input has one output

• It's a line

• It's not points

What is the range of the function?

• 95 to 116 degrees

• 0 to 24

• 0 to 120 degrees

• 0 to 24 hours

Is this function discrete or continuous? HOW DO YOU KNOW?

• discrete, because it ends

• discrete, because it isn't a straight line

• continuous, because it's a connected line with no breaks

• continuous, because it keeps going

Is this a function?

• yes

• no

Is this function discrete or continuous?

• discrete

• continuous

Identify a relative minimum of the function.

• 95 degrees

• 100 degrees

• there are none

• 0 degrees

Which points on the graph are minimums? (Select all that apply)

• (-3, -2)

• (0, 3)

• (0, 2)

• (2, 0)

• (4, 1)

Which of the following is NOT a maximum of the graph?

• (-5, 1)

• (4, 1)

• (0, 3)

• (-3, -2)