Zeros
Evaluating Function Rules
Miscellaneous
Graphing
Is it a Function?
100
f(x)= 2x+8
-4
100
Evaluate f(x)=-3x if x=2
What is -6?
100
Given the points: (0,-2);(1,-1); (2,0) what is the domain?
Domain: {0,1,2}
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
Find the Zero of the function:
f(x)= 3x-21
x=-7
200
Evaluate f(x)=2x+1 if x=-2
What is -3?
200
Given the points: (0,0); (1,3); (2,6) what is the range?
{0,3,6}
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
Find the Zero of the function:
f(x)= -2/5x +4
x=10
300
Evaluate f(x)=-3 - x if x=6
What is -9?
300
Looking at the graph: what is f(-1)?
Miss Baartmans will show you.
3
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
Find the Zero of the function using a calculator:
f(x) = x2 -2x2-15
x={-3,5}
400
Evaluate f(x)=25 + 4x if x=5
What is 45?
400
Looking at the graph: what is f(x)=6?
Miss Baartmans will show you.
x={-3,-2,2}
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
Find the Zero of the function using a calculator:
f(x) = x3-2x2-x-2
x={-1,1,2}
500
Evaluate f(x)=-(4x+2) if x=7
What is -30
500
Given f(x)=3x-8
Evaluate: f(1) +10
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?