Functions, Relations & Graphing Linear Equations

Front

A relation is ________ a function.

Back

Sometimes

Front

Which set of ordered pairs is not a function? {(1, 3), (2, 7), (3, 8), (4, 11)}, {(2, 3), (4, 9), (3, 8), (4, 15)}, {(1, 2), (3, 5), (6, 9), (7, 11)}, {(-9, 4), (-6, 3), (-2, 8), (0, 21)}

Back

{(2, 3), (4, 9), (3, 8), (4, 15)}

Front

A function is ___________ a relation.

Back

Always

Front

What is the domain of the set of ordered pairs below? (-3,-1), (1,-5), (6,-10), (10,-14)

Back

{-3, 1, 6, 10}

Front

What is the test to determine if a graph represents a function?

Back

Vertical line test

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What is a relation?

Back

A set of ordered pairs.

Front

What is the range of a function?

Back

The set of all possible output values.

Front

What does the vertical line test check?

Back

If a vertical line intersects a graph at more than one point, it is not a function.

Front

What is an ordered pair?

Back

A pair of numbers (x, y) that represent a point on a graph.