x-values and y-values
inputs and outputs
Is the following a function or not? Explain.

Function; each input has exactly one output.
Linear or Nonlinear?
Nonlinear.
What is the output when the input is -3?

3
What are 3 different ways we can represent a function?
Ordered Pairs, Graphs, Tables & Equations
Is the following a function or not? Explain.

Not a Function; 5 has more than one output value.
Linear or Nonlinear?

Nonlinear.
What is the output when the input is 8?
{(0,3), (7,4), (3,5), (8, -2), (-7,4), (4,1)}
-2
A set of order pairs
Relation
Is the following a function or not? Explain.
(1, 2), (1, 3), (2, 4), (7,4) (3, 5)
Not a function; 1 had two output values.
Linear or Nonlinear?

Linear.
What is the output when x=34?
y=-1/2x+16
-1
Exactly One
Is the following a function or not? Explain.

Function; Passes the Vertical Line Test & each input has exactly one output.
Linear or Nonlinear?
y = 3x + 5
Linear
What is the input when the output is 2?

1
_____________ functions are functions whose graphs are not a _________ line.
Nonlinear; straight
Is the following a function or not? Explain.
(0,3), (7,4), (3,5), (8, 2), (7,4), (4,1)
Function; Each input has exactly one output. (7,4) is just a repeated ordered pair.
Linear or Nonlinear?
y = 7x2 - 3
Nonlinear
What is the input when the output is 2

-2 & 2