Function Vocab
Evaluating Function Rules
Writing Function Rules
Graphing
Is it a Function?
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 a slope of 1 and the point (2,0) write an equation.

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

True or false - An output can repeat in a function.

What is TRUE?

200
Evaluate f(x)=2x+1 if x=-2
What is -3?
200

Given a slope of 3 and the point (0,0) write the equation of the function.

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
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

All of the x values in a function are referred to as this.

What is an input?

300
Evaluate f(x)=-3 - x if x=6
What is -9?
300

Given a slope of 2 and the point (1,3) write the equation of the function.

What is y=2x+1?

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

A relation that assigns exactly one input to each value in the output?

What is a function?

400
Evaluate f(x)=25 + 4x if x=5
What is 45?
400

The equation y=2x+1 is give for a function, what is the rate of change?

What is 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?
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(x)=-(4x+2) if x=7
What is -30
500

The equation y=4.5x-32 is given for a function, name the rate of change and initial value.

What is 4.5 and -32?

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?