Intro to Functions

What is the input in this ordered pair?

(4, -2)

What are the inputs in this relation?

{ (-8, 0), (4, -2) }

What are the outputs in this relation?

{ (6, -1), (3, 5) }

{ (8, 9), (3, 0), (-5, 2), (-3, 4), (-2, -3) }

Is this relation a function? Hint: Does each input (x) correspond to exactly one output (y)?

{ (7, -1), (3, 3), (6, -4), (3, 0), (-1, 6) }

Is this relation a function? Hint: Does each input (x) correspond to exactly one output (y)?

Is this relation a function? Hint: Does each input (x) correspond to exactly one output (y)?

Is this relation a function? Hint: Does each input (x) correspond to exactly one output (y)?

Is this relation a function? Hint: Does each input (x) correspond to exactly one output (y)?

Is this relation a function? Hint: Does each input (x) correspond to exactly one output (y)?

Input is the _value.

Output is the _value.

To be a function, each x-value can have only one y-value.