Function

Which set of values is a function?

• (6, 5) (7, 3) (8, 1) (9, 1)

• (2, 2) (5, 9) (5, 7) (1, 4)

• (9, 5) (5, 5) (9, 6) (8, 5)

• (3, 4) (4, 3) (7, 4) (3, 8)

Does this table represent a function?

• Yes

• No

What is the definition of function?

• Has inputs and outputs

• Each input has only ONE output

• Inputs have multiple outputs

• x-values and y-values

Is this set of ordered pairs a function or not a function?

(-2, 3), (0,1), (2, -4), (3, -1), (2, 4)

• Function

• Not a Function

• Function
• Not a Function

What is the equation of this line?

• y= 3x+1

• y= -x+3

• y= 1/3x-1

• y= -1/3x+1

Jeff earns $10 per hours raking leaves. Write an equation to find the amount of money "y" he earns for "x" number of hours.

• y = 10x

• x = 10y

• y = x + 7

The graph of a function is shown. Which three ordered pairs represent an input value of the function with its corresponding output value

• (0, -1)

• (-1, 0)

• (0, 0)

• (-4, 0)

• (0, -2)

Is this function linear or nonlinear?

• Linear function

• Nonlinear function

Write an equation that models the linear relationships in the table