Question

Which of the following can we use to determine if a data set represents a function? There may be more than one answer.

A. Vertical line test
B. Make sure “y” values do not repeat
C. Make sure there is one and only one input for each output
D. Make sure each x-value has more than one y-value
E. Make a table to determine the numbers in the domain appear only once.

Answer 1

A, B,C, and E. I hope this helps.

Explanation: