Determine whether the given relationship defines a function. If so, identify the independent and dependent variable, and
why the relationship is a function.
-The temperature t on a backyard thermometer at 5 pm on a given day x.
A) Yes; x, t; there is one temperature t on any given day x at 5 pm.
B) No

Question

Quizplus · Accepted Answer

The relationship defines a function because for each given day x (independent variable), there is exactly one temperature t (dependent variable) at 5 pm. This satisfies the definition of a function, where each input (day) has exactly one output (temperature).

Determine Whether the Given Relationship Defines a Function