Function Vocab
Evaluating Function Rules
Graphing
Is it a Function?
100
True or False- A Function is a relationship or expression or rule(s) involving only ONE variable
What is FALSE?
100
Evaluate f(-2) = ?
if f(x) = 3x - 6
What is -12?
100
The point (1,2) is in this quadrant
What is the 1st quadrant?
100
Is it a function? {(2, 3), (4, 5), ( -2, 6)} . These are three different points. imagine they were in a table
What is YES because x does not repeat and satisfies all requirements.
200
Every input must have exactly _____ output
What is one?
200
Evaluate f(5) = ?
if f(x) = 4x -1
What is 19
200
How do you graph the point (-3,4)?
What is you go left 3 units on the x-axis then go up 4 units on the y-axis?
200
Using the vertical line test does the graph of the points (1,3) and (1,5) represent a function?
What is False, the points fail the vertical line test
300
TRUE or FLASE. Inputs can't have the same outputs. For example, these inputs couldn't have the same output to be considered a function
f(3) = 0
f(2) = 0
What is the FALSE?
300
Evaluate f(-7) = ?
if f(x) = 3x + 2x + 4 + 8
What is -23
300
The signs of the points in quadrant 2. ( x , y ). Tell me what sign the x will have and what the y will have in quadrant 2. Either positive or negative.
What is the (- , +)
300
Is it a function?
| x | y |
| 2 | 4 |
| 1 | 5 |
| 2 | 6 |
What is NO because x repeats?
400
TRUE or FALSE: Inputs can't have two or more different outputs. For example, this would not be considered a function:
f(3) = 2
f(3) = 5
What is TRUE?
400
Evaluate f(-0) = ?
if f(x) = 4x2 - x + 4( 3x - 2)
What is -8
400
The quadrant that doesn't contain one of these points (-2,3), (3,-4) (2,3)
What is the third quadrant?
400
Is it a function?
What is YES because it passes the Vertical Line Test?
500
The test to tell if a graph is a function
What is the Vertical Line Test?
500
Evaluate f(-3) = ?
if f(x) = x2 + 4x - 2
What is -5
500
What quadrant is the point (0,2) in?
What is none because the point sits on the y-axis
500
Is it a function? 
What is NO because it does not pass the Vertical Line Test?