Question

!!!(WILL GIVE MEDAL AND FAN)!!!

Which of the following best defines an input?

An input is the result of a relation or the function rule, usually the y-values in a set of ordered pairs or on a table or graph.
An input is a special type of relation for which there is a rule that pairs each input with exactly one output.
An input is a set of ordered pairs in which no y-value repeats.
An input is the value that determines another based on the relation or the function rule, usually the x-values in a set of ordered pairs or on a table or graph.

Answer 1

An input is the last: " the value that determines another based on the relation or the function rule, usually the x-values in a set of ordered pairs or on a table or graph"

Answer 2

The last option.

Answer 3

Took too long to reply. Already got it wrong. Thanks.