Question

Given the following set of points, complete the table and state whether the set of points is a function. Explain your answer.

{(0,1), (2,3), (5,8), (7,2), (2,-1)}

Answer 1

Domain is {0,2,5,7,2}

Range is {1,3,8,2,-1}

yes the set of points do represent a function.

Explanation:

the domain is the set of x values

the range is the set of y values

a function can't have more than one of the same x values, so this is a function because it does not have more than 1 of the same x values.

hope this helps

Answer 2

not a function

Domain (x): {0,2,5,7,2}

Range (y): {1,3,8,2,-1}

Explanation:

the x values repeated twice so it is not a function