Determine Functions

Is the graph a function or not a function?

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

Examine the table and determine if it represents a function or not a function.

Which graph does NOT pass the Vertical Line Test?

Given the function with an input of , determine the output.

Is this graph a function?

Is the relation a function? $$\left\{\left(5,\ -2\right),\ \left(3,\ -5\right),\ \left(2,\ -5\right),\ \left(0,\ -2\right),\ \left(-1,\ -3\right)\right\}$$  

What is the definition of function?

Write the input for the function,

then do the math

You can identify a function from a graph by using the (a)