Question

Question 5(Multiple Choice Worth 1 points)

(02.01 LC)
Which of the following tables represents a function?

Answer 1

(a) see attached

Explanation:

A table will represent a function if no input (x) values are repeated.

Choices

The offered tables can be evaluated as follows:

(a) x-values {-4, -1, 1, 4}, no repeats. Is a function.

(b) x-values {2, 2, 3, 3}, both values repeated

(c) x-values {-5, -5, 5, 5}, both values repeated

(d) x-values {2, 2, 7, 7}, both values repeated