Function Stuff
Evaluating Function Rules
Zeros!
x & y intercepts
Is it a Function?
100
True or False-Our Range is determined by our values for x.
What is FALSE?
100
Evaluate f(x)=-3x if x=2
What is -6?
100
Find the zeroes for the following function:
−4x+2y=8
Where is (-2, 0)?
100
What is the y intercept of: r(x) = 2x - 2
What is 2?
100
Is it a function?
{(2, 3), (4, 5), ( -2, 6)}
What is YES because x does not repeat?
200
Which coordinate determines our domain?
What is X
200
Evaluate f(x)=2x+1 if x=-2
What is -3?
200
Removing which set of coordinates makes this a functon? (4, 2) ( 3, 2) (4, 3) (5, -1)
What is (4, 2) or (4, 3)
200
Draw a coordinate plane and label an x and y intercept on the graph.
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
Which coordinate determines our range?
What is Y?
300
Evaluate g(n)=-3 - n if n=6
What is -9?
300
Identify the zeroes for the following relation:
12x2 -60 = -12
-2, 2
300
What is the x-intercept given the following set of ordered pairs?
(4, 0), (2, 5) (2, 3), (0, 2)?
What is (4, 0)?
300
Is it a function?
| x | y |
| 2 | 4 |
| 1 | 5 |
| 2 | 6 |
What is NO because x repeats?
400
Given the points (0,-2);(1,-1); (2,0);(x,4)
State any value of x that would make this not a functon.
What is 0, 1, or 2?
400
If the function f(x) = −1/2x+k has zero of 6, what is the value of k?
What is 3?
400
Identify the zero(s) for the following function:
f(x) = 2x + 1
What is -.5?
400
What is the y-intercept given the following ordered pairs? (-2,3), (0,-4) (2,3), (5,0)?
What is (0, -4)?
400
Is it a function?
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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
What is the range of f(x) = -3x + 7 for the domain {-8, -6, -3, -2, 2}?
31, 25, 16, 13, 1
500
Given the points write a function rule (0,5); (1,6); (2,7);(-1,4)
What is f(x)=x+5
500
What is the y intercept for the following function? f(x)=1/5 x+4
What is (0, 4)?
500
Is it a function?
What is NO because it does not pass the Vertical Line Test?