Question

Which function below has the following domain and range?

Domain: {-9, - 5, 2, 6, 10}
Range: { -2, 0, 8}
O {(-9, 10), (-2,8)}
O ((-9, -2), ( – 5, 0), (2, 8), (6, 5), (10, 9))}
O ((-2,-5), (8, 10), (0, 6), (-2, -9), (0, 2)}
O {(2,0), (-5, -2), (10, 8), (6, 0), (-9, -2)}

Answer 1

{(2,0),(-5,-2),(10,8),(6,0),(-9,-2)} is the correct answer (D)

Answer 2

(d) {(2, 0), (-5, -2), (10, 8), (6, 0), (-9, -2)}

Explanation:

The domain is the list of x-values. The range is the list of y-values. You are looking for the set that matches the given lists.

Choices

A.

The list of x-values is {-9, -2}. The list is too short.

B.

The list of x-values is {-9, -5, 2, 6, 10}. This matches the required domain.

The list of y-values is {-2, 0, 8, 5, 9}. The list is too long.

C.

The list of x-values is {-2, 8, 0, -2, 0}. The list does not match the given domain list.

D.

The list of x-values is {2, -5, 10, 6, -9}. This matches the given domain.

The list of y-values is {0, -2, 8, 0, -2}. This matches the given range.

The function of interest is ...

{(2, 0), (-5, -2), (10, 8), (6, 0), (-9, -2)}