Evaluating Function Rules
Graphing
Is it a Function?
100
Evaluate f(x)=-3x if x=2
What is -6?
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)}
What is YES because x does not repeat?
200
Evaluate f(x)=2x+1 if x=-2
What is -3?
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
Evaluate f(x)=-3 - x if x=6
What is -9?
300
The signs of the points in quadrant 2
What is the (- , +)?
300
Is it a function?
| x | y |
| 2 | 4 |
| 1 | 5 |
| 2 | 6 |
What is NO because x repeats?
400
Evaluate f(x)=25 + 4x if x=5
What is 45?
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?
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What is YES because it passes the Vertical Line Test?
500
Evaluate f(x)=-(4x+2) if x=7
What is -30
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?