Function Notation
Domain and Range
Interpreting Graphs
Abs and Piece Func.
Extra Functions
100

f(3)=x2+4

13

100

What is the range of the of a function? Describe it.

All of the possible y's

100

What is the minimum of the graph?


(1.5,2)

100

Catch Phase

Domain

100

Is this a function?


NO 2 outputs for one input

200

Catch Phrase

Function Notation

200

What is the domain of the function? Describe it.

All of the possible x's of a function.

200

Catch Phrase

Output

200

What is the absolute value function for the following graph?


f(x)=|x-2|-1

200

Is this a function?


Yes only one output per input

300

f(3)=(1/3)x+5

6

300

How can you tell what the RANGE of a function is? (Two important points when determining range)

Max and min/ Top and bottom

300

What is the x and y intercept of the following graph?


x-int: (-2,0)

y-int: (0,1)

300

What is the absolute value function for the following graph?


f(x)=|x-1|-3

300

What makes a graph not a function?

More than one output per input.

400

f(x)=5x-13 when f(x)=7

4

400

How can you tell what the domain of a function is? (Two important points when determining domain)

Start and stop

400

What is the vertical and horizontal intercept?


x-int=-3 and 5.3ish

y-int=-7

400

What is the expression of the line in the middle?


f(x)=1   1<x<2

400

What fill in the following blanks.

____ is a function of _____

Output is a function of input

500

Which part of function notation is the input and output of the function? Explain.

x=input and f(x)=output

500

Tell me the domain and range of this function.


Domain: -inf, inf

Range: -2, inf

500

What is absolute value function for this graph?


y=|x+2|-4

500

What is the expression for the following graph?


f(x)={-x-2,   x>=0

        {2x+1, x<=0

500

Give me two possible outputs and inputs of the following?

Mr. Frost is going to the store to buy some Mountain Dew. Mr. Frost can drink 4 max in one sitting. Each cost 2.5 each. Cost is a function of Mountain Dews bought. 

Inputs: 0-4

Outputs: 0-10.00 (0,2.50,5,7.50,10)