Finals: STUDY GUIDE

What is a function?

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

What are all the y values or outputs called?

• Domain

• Range

• Relation

• Function

What are all the x values or inputs called?

• Domain

• Range

• Relation

• Function

Which is NOT the same

• Range

• Input

• Dependent Value

• Y-Value

What is the domain of the graph?

• 1≤ x ≤ 4

• 1 < x < 4

• 1≤ y ≤ 4

• 1 < y < 4

What is the domain? An open circle means it DOES NOT equal that number - use < and >. Only use ≤ and ≥ with a closed circle.

• -4 < x ≤ 5

• -4 ≤ x < 5

• -3 < y < 3

• -3 ≤ y ≤ 3

Arcadia Inc. manufactures videogames. This is a graph showing the profit, in thousands of dollars, made by the company over the first six months of the year. Which statement about the company's profits is incorrect?

• The profits increased from January to February.
• The largest profit for the six-month period was $275,000.
• The profit decreased from April to June.
• The smallest profit for the six-month period was $150,000.

Match the story that best describes the graph.

• It snowed heavily at first then slowed down.

• It snowed lightly at first, then heavily, and then it stopped.

• It snowed lightly for a while, stopped for a while, snowed heavily, and then stopped.

8. Compare the quantity in Column A with the quantity in Column B.

• The quantity in Column A is greater.

• The quantity in Column B is greater.

• The two quantities are equal.

• The relationship cannot be determined on the basis of the information supplied.

Compare the quantity in Column A with the quantity in Column B.

• The quantity in Column A is greater.

• The quantity in Column B is greater.

• The two quantities are equal.

• The relationship cannot be determined on the basis of the information supplied.