Function Vocab
Evaluating Function Rules
Transformations of functions
Piecewise functions
Is it a Function?
100
True or False-A relation is a set of ordered pairs
What is TRUE?
100
Evaluate f(x)=-3x for f(2)
What is -6?
100
f(x-5)
What is translate right 5?
100
On board
f(0)
What is 1?
100
Is it a function? {(2, 3), (4, 5), ( -2, 6)}
What is YES because x does not repeat?
200
The set of x-values of a relation or a function
What is Domain?
200
Evaluate f(x)=2x+1 for f(-2)
What is -3?
200
f(x) +9
What is translate up 9 units?
200
On board
f(2)
What is 5?
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
The set of y-values in a relation or a function
What is the range?
300
Evaluate f(x)=-3 - x for f(6)
What is -9?
300
y= 3/x/
What is get narrower?
300
On board
f(-3)
What is 1?
300
Is it a function?
| x | y |
| 2 | 4 |
| 1 | 5 |
| 2 | 6 |
What is NO because x repeats?
400
A relation that each x-value has only 1 y-value.
What is a function?
400
Evaluate f(x)=x2-4 for f(3)
What is 5?
400
y= 4(x-2)2+1
What is gets narrower, translate right 2, and translate up 1 unit?
400
On board
f(-2)
What is 0?
400
Is it a function?
%26x%3D0003&imgrefurl=http://www.algebra.com/algebra/homework/Coordinate-system/Coordinate-system.faq.question.24806.html&usg=__N8FQPaDH4lCUX1u24T4Y85yHJg0=&h=302&w=308&sz=8&hl=en&start=18&zoom=1&tbnid=QxN6mNRwuBZU7M:&tbnh=115&tbnw=117&ei=dJa7TY3pKaLz0gH9iYCwBg&prev=/search%3Fq%3Dlinear%2Bgraphs%26hl%3Den%26rls%3Dcom.microsoft:en-us:IE-SearchBox%26rlz%3D1I7TSNA_enUS397US397%26biw%3D1345%26bih%3D606%26site%3Dsearch%26tbm%3Disch&um=1&itbs=1)
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/ for f(-3)
What is -12
500
y= x + 2
What is translate up 2 units?
500
On board
f(6)
What is 215?
500
Is it a function?
What is NO because it does not pass the Vertical Line Test?