1 - Identifying Functions

Front

Which set of values is a function? (9,5) (10,5) (9,-5) (10,-5), (3,4) (4,-3) (7,4) (3, 8), (6,-5) (7, -3) (8, -1) (9, 1), (2, -2) (5, 9) (5, -7) (1, 4)

Back

(6,-5) (7, -3) (8, -1) (9, 1)

Front

What is the definition of a function?

Back

Every input has only ONE output.

Front

Is this set of ordered pairs a function? (1,5), (1,6), (1,7), (1,8), (1,9)

Back

Not a Function.

Front

Is this set of ordered pairs a function? (2,3), (3,4), (4,5), (5,6)

Back

Function.

Front

What is a relation in mathematics?

Back

A set of ordered pairs.

Front

What does it mean for a relation to be a function?

Back

Each input (x-value) must correspond to exactly one output (y-value).

Front

Identify if the following is a function: (1,2), (2,3), (3,4), (1,5)

Back

Not a Function.

Front

Identify if the following is a function: (2,3), (3,4), (4,5), (5,6)

Back

Function.

Front

What is an ordered pair?

Back

A pair of numbers (x, y) that represent a point in a coordinate system.

Front

Can a function have the same output for different inputs?

Back

Yes, a function can have the same output for different inputs.