Features of Function Graphs

Select all the intervals when the function is negative.

• 1/2 < x < 2

• x < 1/2

• x > 2

• x > 0

Identify where the function is negative.

• All Real Numbers

Identify where the function is positive.

• All Real Numbers

Is this a function?

• yes

• no

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

Identify a relative minimum of the function.

• 95 degrees

• 100 degrees

• there are none

• 0 degrees

What is the domain of the function?

• 95 to 116 degrees

• 0 to 24

• 0 to 120

• 0 to 24 hours

Is this function discrete or continuous?

• discrete

• continuous