Function Vocab
Am I a function?
Is it a Linear Function?
Write an equation that represents the table.
Surprise Question
100
The value that is put into a function.
Input
100
Is the following relation a function? {(1,2), (-2,0), (-1,2),(1,3)}
No
100
Why is the function y = x3 - 3x non-linear?
y = x3 - 3x is NON-LINEAR because it does not create a straight line.
y = x3 - 3x is NON-LINEAR because the exponent of an "x" is 3.
100
x -1 0 1
y 3 8 13
y = 5x + 8
100
What name is "Barbie" short for?
Barbara
200
In a function, how many outputs can one input have?
Each input has one and only one output
200
Is this a function?
Yes
200
3x - 3y = 1
Yes, it is the standard form of a line (Ax +By = C)
200
x -1 0 1
y 3 -2 -7
y = -5x - 2
200
The number of sides a heptagon has.
7
300
True or False: Not all relations are functions, but all functions are relations.
True
300
Is this a function and why?
No because x=8 has two outputs (3 and -3)
300
x y
-2 -1
-1 -1
0 -1
1 -1
Yes, the rate of change is constant.
300
x -21 0 21
y -4 -7 -10
y = -3/21 x - 7 OR y= -1/7x - 7
300
Who are these guys?
Tom and Jerry
400
The value that must remain the same for a function to be linear
Slope, m or rate of change.
400
Does the following table represent a function? Why or why not?
x y
1 2
2 5
6 2
2 9
5 1
No, because the input (x) of 2 has two different outputs (y)
400
x y
-3 -2
-1 1
0 4
2 7
No, the rate of change is NOT constant
400
x 2 3 5
y 2 1 -1
y = -x + 4
400
True or False? A function can have repeated y-values?
True
500
A test to tell if a graph is a function.
The vertical line Test
500
Is the following graph a function?
No, vertical lines are not functions.
500
y=5
Yes, it is in the form of y = 0x + 5
500
x y
2 3
4 5
8 9
y = x +1
500
Who is Mrs. Williams' favorite Disney princess?
Ariel, the little Mermaid