Interpreting Graphs Functions

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Which coordinate point describes the location of the absolute minimum point of this function?

• (-2, -1)

• (0, -1)

• (-1, -2)

• (-5, 3)

The graph of the function for the amount of water in gallons, D, in a tank at time, t, is shown. What statement is true?

• The water is draining out because the line is decreasing.

• The water is draining out because the line is increasing.

• The water is filling up because the line is decreasing.

• The water is filling up because the line is increasing.

• Noah because $80 is more than $60.

• Elena because $80 is more than $60.

• Noah because $5 is more than $4

• Elena because $5 is more than $4

When did her phone start losing charge?

• 2 PM

• 10 PM

• 4 PM

• 8 PM

When did her phone get back to a full charge?

• 2 PM

• 10 PM

• 4 PM

• 8 PM

• Noah because $80 is more than $60.

• Elena because $80 is more than $60.

• Noah because $4 is more than $2

• Elena because $4 is more than $2

When did she start charging her phone?

• 2 PM

• 10 PM

• 4 PM

• 8 PM

Check all that apply to the following graph:

• Discrete

• Continuous

• Linear

• Not a function

• Function

Which of the following represents the domain of the graph?