1.1 Review of Functions

Question 1

Function Definition

Answer 1

A function f consists of a set of inputs, a set of outputs, and a rule for assigning each input to exactly one output. The set of inputs is called the domain of the function. The set of outputs is called the range of the function.

Question 2

x and y, which is dependent which is independent?

Answer 2

x is independent because you can choose what to set it at. It is the input for the function.
y is dependent because it depends on what was input into the function for x.