Question

Determine whether each relation is a function. If so provide the domain & range. Width versus area.

Width (m) area (m) squared
Width 1 area 6
Width 5 area 50
Width 10 area 150

Answer 1

a. Function: Yes

Domain = 1, 5, 10, 11, 14

Range = 6, 50, 150, 176, 266

b. Function: Yes

Domain = All positive integers

Range = All positive integers

c. Function: The relation is not a function

Explanation: