Domain and Range

What is the Domain of this linear function?

• (-3,5]

• x =-1

• y = -1

• (-3,5)

• Function
• Not a Function

What is the range of the graph?

• [1,4]

• (1,4)

• [1,5]

• (1,5)

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values
• No, because the vertical line test shows there are repeating input values

What is the range?

• [0,3]

What is the Domain?

• (-3,3]

• (-3,3)

• [-4,5)

• [-4,5]

What is the range?

• [-7,6]

• (-7,6)

• (-8,2)

• [-8,2]

• Function
• Not a Function

What is the domain of the function?

Janice is working as a babysitter for the Harold Family.  They plan to leave for their date at 7:00 pm  and be back by 12:00 am.  If the equation f(x) = 15x + 20 models the amount that Janice will earn, where x is the number of hours she works, and f(x) is the total money she earns, what is an appropriate domain?

• any value between 0 and 5
• any value between 15 and 20
• any value between -1 and 1
• any value greater than 0