Function Vocab
Evaluating Function Rules
Writing Function Rules
Misc.
Is it a Function?/Comparing
100
True or False-A relation is a set of ordered pairs
What is TRUE?
100
Evaluate f(x)=-3x if x=2
What is -6?
100
Given the points write a function rule (0,-2);(1,-1); (2,0)
What is y=x-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
The set of first coordinates of a relation or a function
(x,y)
What is Domain/Input/X-Values?
200
Evaluate f(x)=2x+1 if x=-2
What is -3?
200
Given the points write a function rule (0,0); (1,3); (2,6)
What is y=3x?
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
This function has the greater y-intercept:
Function A: y= 5x + 2
Function B: (-1 , 4), (0 , 0) , (2 , 8)
What is Function A - function A has a y-intercept of 2 and function B has a y-intercept of 0.
300
The set of second coordinates in a relation or a function
(x,y)
What is the Range/Output/y-values?
300
Evaluate f(x)=-3 - x if x=6
What is -9?
300
Given the points write a function rule (0,0); (2,1); (4,2)
What is y=x/2?
300
y=1/2x - 3 is the equation of a line. Which of the following equations contain a slope that is 1/4 greater than the original equation:
a) y = x
b) y = 7/2x
c) y = 3/4x
What is y = 3/4x?
300
Is it a function?
| x | y |
| 2 | 4 |
| 1 | 5 |
| 2 | 6 |
What is NO because x repeats?
400
A relation that assigns exactly one output to each input?
What is a function?
400
Evaluate f(x)=25 + 4x if x=5
What is 45?
400
Given the points write a function rule (-1,-1); (0,1); (1,3);(2,5)
What is f(x)=2x+1?
400
What is the y-intercept for the following equation:
y = 15x
What is (0,0) or the origin?
400
This function has the greater slope:
Function A: y = -3x - 3
Function B: (0 , 1), (1 , 4), (2 , 7)
What is function B - the slope is Function A is -3 and the slope for function B is positive 3.
500
The test to tell if a graph is a function
What is the Vertical Line Test?
500
Evaluate f(x)=-(4x+2) if x=7
What is -30
500
Given the points write a function rule (0,5); (1,6); (2,7);(-1,4)
What is f(x)=x+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?