f(3)=x2+4
13
What is the range of the of a function? Describe it.
All of the possible y's
What is the minimum of the graph?

(1.5,2)
Catch Phase
Domain
Is this a function?

NO 2 outputs for one input
Catch Phrase
Function Notation
What is the domain of the function? Describe it.
All of the possible x's of a function.
Catch Phrase
Output
What is the absolute value function for the following graph?

f(x)=|x-2|-1
Is this a function?

Yes only one output per input
f(3)=(1/3)x+5
6
How can you tell what the RANGE of a function is? (Two important points when determining range)
Max and min/ Top and bottom
What is the x and y intercept of the following graph?
x-int: (-2,0)
y-int: (0,1)
What is the absolute value function for the following graph?

f(x)=|x-1|-3
What makes a graph not a function?
More than one output per input.
f(x)=5x-13 when f(x)=7
4
How can you tell what the domain of a function is? (Two important points when determining domain)
Start and stop
What is the vertical and horizontal intercept?

x-int=-3 and 5.3ish
y-int=-7
What is the expression of the line in the middle?
f(x)=1 1<x<2
What fill in the following blanks.
____ is a function of _____
Output is a function of input
Which part of function notation is the input and output of the function? Explain.
x=input and f(x)=output
Tell me the domain and range of this function.
Domain: -inf, inf
Range: -2, inf
What is absolute value function for this graph?

y=|x+2|-4
What is the expression for the following graph?
{2x+1, x<=0
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)