Domain & Range

Front

What is the domain of a relation?

Back

The set of all x-values.

Front

Is the relation a function? Why?

Back

No, because the x-value 11 has two y-values paired with it.

Front

What is the domain of the relation with values {1,3,4,6}?

Back

{1,3,4,6}

Front

What variable typically represents the range?

Back

y

Front

What is the domain of the relation with values {-2, -1, 0, 1, 8}?

Back

{-2, -1, 0, 1, 8}

Front

Define 'range' in the context of a relation.

Back

The set of all y-values.

Front

What is the range of the relation with values {2, 4, 6, 8}?

Back

{2, 4, 6, 8}

Front

Can a relation have multiple y-values for a single x-value?

Back

No, that would not be a function.

Front

What is an example of a function?

Back

y = 2x + 3, where each x-value has one corresponding y-value.

Front

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

Back

All real numbers.