Review: Domain & Range of Linear Functions

Front

What is the domain of a function?

Back

The set of all x-values for which the function is defined.

Front

What is the range of a function?

Back

The set of all y-values that a function can output.

Front

Given the set of ordered pairs {(1,2), (3,4), (5,10)}, what is the domain?

Back

{1, 3, 5}

Front

Given the set of ordered pairs {(1,2), (3,4), (5,10)}, what is the range?

Back

{2, 4, 10}

Front

What is the domain of the function y = 2x + 3?

Back

All real numbers, or (-∞, ∞).

Front

What is the range of the function y = 2x + 3?

Back

All real numbers, or (-∞, ∞).

Front

For the function y = -2x + 7, what is the range if the domain is {-1, 0, 1}?

Back

{9, 7, 5}

Front

What is the domain of the function defined by the inequality -3 ≤ x ≤ 3?

Back

{-3, -2, -1, 0, 1, 2, 3}.

Front

What is the range of the function defined by the inequality -3 < y < 21?

Back

(-3, 21).

Front

If the domain of a function is {1, 2, 3}, what is the maximum possible range?

Back

Depends on the function, but could be any set of values corresponding to those x-values.