Algebra Relations and Functions

The school is selling raffle tickets as a fundraiser. The profit from the tickets can be modeled by the equation P(x) = 3x - 35, where x is the number of tickets sold. Which best describes the possible domain?

• all real numbers greater than 0

• all whole numbers

• any rational number greater than 0

• all integers

State the constraints, if any, on the given function.

• x ≠ 0

• x ≠ 2

• x ≠ -2

• No restrictions

State the constraints, if any, on the given function.

• x ≠ 0

• x ≠ 2

• x ≠ -2

• No restrictions

Let 𝐹 be a set of ordered pairs such that {(−3,5),(3,0),(2,2)}. Which of the following statements about the relation is true?

• The relation is a function because no value in the domain goes to multiple values in the range.

• The relation is a function because all values in the range are different.

• The relation is not a function because one value in the domain goes to multiple values in the range.

• The relation is not a function because there is an ordered pair where the domain is equal to the range.

Tags

CCSS.8.F.A.1

Which choice also represents the relation shown in the sets below as correct ordered pairs?

• {(1,2),(2,4)}

• {(2,1),(4,2),(6,2)}

• {(1,2),(2,4),(2,6)}

• {(2,2),(2,4),(2,6)}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Is the relation above a function?

• Yes, because it doesn’t show any repeating 𝑥 values in the domain.

• Yes, because every 𝑦 value in the range is different.

• No, because one 𝑥 value in the domain goes to multiple different 𝑦 values in the range.

• No, because there is an 𝑥 value in the domain that is equal to a 𝑦 value in the range.

Tags

CCSS.8.F.A.1

The first number in an ordered pair is...

• the larger number.

• the origin.

• the x-coordinate.

• the y-coordinate.

Tags

CCSS.5.G.A.1

Is this set of ordered pairs a function or not a function? 

• Function

• Not a Function 

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function 

• Not a Function

Is the given table a direct variation? If so, what is the constant of variation?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No