Function Vocab
Evaluating Function Rules
Is it a Function?
Random Review
100
True or False-A relation is a set of ordered pairs
What is TRUE?
100
Evaluate f(x)=-3x when x=2
What is -6?
100
Is it a function?
{(2, 3), (4, 5), ( -2, 6)}
What is YES because x does not repeat?
100
321.5 in scientific notation
What is 3.215 x 102
200
The SET of first coordinates of a relation or a function- what you INPUT into a function.
A) RANGE B) DOMAIN C)INPUT D) EXPRESSION
What is (B) Domain?
200
Evaluate f(x)=2x+1 when x=-2
What is -3?
200
Is it a function? (1,3) , (1,5) , (7,5), (0,0)
NO, the 1 repeats
200
Solve for x: 3x+10=16
What is x=2
300
The set of second coordinates in a relation or a function
What is the range?
300
Evaluate f(x)=-3 - x when x=6
What is -9?
300
Is it a function?
| x | y |
| 2 | 4 |
| 1 | 5 |
| 2 | 6 |
What is NO because x repeats?
300
The slope and y intercept of: y=4x-5
What is: slope = 4 and y intercept = -5
400
A specific relation in which each possible input value leads to ONLY ONE output value.
What is a function?
400
Evaluate f(x)=25 + 4x when x=5
What is 45?
400
Is it a function?
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What is YES because it passes the Vertical Line Test?
400
In the proportional relationship:
y=3x, find y when y=21
What is x= 7
500
The test to tell if a GRAPH is a function
What is the VERTICAL LINE TEST?
500
Evaluate f(x)=-(4x+2) when x=7
What is -30
500
Is it a function?
What is NO because it does not pass the Vertical Line Test?
500
What is the point (0,0) also known as
What is the origin