Name the set of inputs (domain) and the set of outputs (range). The cost of a long distance telephone call is a function of how long the parties talk.
A) {distance}; {units of time}
B) {cost of call}; {units of time}
C) {units of time}; {cost of call}
D) {units of time}; {distance}
E) {distance}; {cost of call}

Question

Quizplus · Accepted Answer

The input (domain) is the units of time because the cost of the call is determined by how long the parties talk, and the output (range) is the cost of the call.

Name the Set of Inputs (Domain) and the Set of Outputs