Question

Does the table below define Y as a function of X?

Answer 1

Step-by-step explanation:

For a function, an input value, x cannot have more than one output value, y.

Looking at the table, no value of x has the same value of y twice. Thus,

the table defines a function

The domain is the set of all values of x that satisfies the function. Thus,

Domain = [- 1, 3]

The range is the set of all values of y that satisfies the function. Thus,

Range = [- 8, 9]