Domain and Range

Front

What is the definition of 'Domain' in a relation?

Back

The set of all x-values in a relation.

Front

What is the definition of 'Range' in a relation?

Back

The set of all y-values or outputs in a relation.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is the y-intercept of the line y = -3x + 12?

Back

(0, 12)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

How do you find the y-intercept of a linear equation?

Back

Set x = 0 and solve for y.

Front

What is the domain of the relation shown in the table: {(6, 2), (18, 4)}?

Back

{6, 18}

Front

What is the range of the relation shown in the table: {(3, 5), (9, 7), (15, 8)}?

Back

{5, 7, 8}

Front

What does it mean if a function has a restricted domain?

Back

It means that not all x-values are valid inputs for the function.

Tags

CCSS.HSF-BF.B.4D

Front

What is the graphical representation of a function's domain?

Back

The set of all x-values that correspond to points on the graph.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Front

What is the graphical representation of a function's range?

Back

The set of all y-values that correspond to points on the graph.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Front

If a function is defined as f(x) = x^2, what is its domain?

Back

All real numbers, (-∞, ∞).