Domain and Range

Front

What is the definition of Domain in a function?

Back

The set of all possible input values (x-values) for a function.

Front

What is the definition of Range in a function?

Back

The set of all possible output values (y-values) for a function.

Front

How do you find the domain of a function from a graph?

Back

Identify all the x-values that the graph covers.

Front

How do you find the range of a function from a graph?

Back

Identify all the y-values that the graph covers.

Front

What is a function?

Back

A relation where each input (x-value) has exactly one output (y-value).

Front

What is the domain of the function f(x) = 1/x?

Back

All real numbers except x = 0.

Front

What is the range of the function f(x) = x^2?

Back

All real numbers y such that y ≥ 0.

Front

Given the function f(x) = 2x + 3, what is the domain?

Back

All real numbers.

Front

Given the function f(x) = √(x - 1), what is the domain?

Back

x ≥ 1.

Front

What is the domain of the function defined by the points {(1,2), (2,3), (3,4)}?

Back

{1, 2, 3}.