Vocabulary
Domain & Range
Is it a function?
Evaluate Functions
Evaluate Multiple Functions
100
Define domain.
What is 1t coordinate (x, )?
100
Find the domain and range. {(-3,2),(-2,4),(-1,2),(5,4)}
D:{-3,-2,-1,5} R:{2,4}
100
Is the following relation a function? {(-3,2),(-2,4),(-1,2),(5,4)}
What is yes?
100
If x=5 evaluate y=x+3.
What is y=8?
100
If f(x)=x+4 and g(x)=3x evaluate f(5)+g(2).
What is 15?
200
Define Range
What is 2nd coordinate ( ,y)?
200
Find the domain and range. {(-1,5),(2,3),(4,2),(10,2)}
D:{-1,2,4,10} R:{2,3,5}
200
Is the following relation a function? {(-1,5),(2,3),(4,2),(10,2)}
What is yes?
200
If x=3 evaluate y=2x.
What is y=6?
200
If f(x)=2x+4 and g(x)=x-4 evaluate f(4)–g(-1).
What is 17?
300
Define vertical line test.
What is used to determine a function on a graph?
300
Find the domain and range. {(-1,5),(2,3),(4,2),(-1,2)}
D:{-1,2,4} R:{2,3,5}
300
Is the following relation a function? {(-1,5),(2,3),(4,2),(-1,2)}
What is no?
300
If x=-1 evaluate y=5x+3.
What is y=-2?
300
If f(x)=5x-3 and g(x)=x^2 evaluate f(3)•g(4).
What is 192?
400
Define function.
What is a set of ordered pairs, x-value always different?
400
Find the domain and range. {(-3,4),(0,10),(11,8),(4,5)}
D:{-3,0,4,11} R:{4,5,8,10}
400

Is the following relation a function? Graph on board.

y=-3x+4

Yes

400
If x=-3 evaluate f(x)=x^2.
What is f(-3)=9?
400
If f(x)=x+2 and g(x)=9/x evaluate f(g(3)).
What is 5?
500
Define independent variable.
What is input, domain, x-value?
500
Find the domain and range. {(-5,8),(-5,4),(6,9),(3,10)}
D:{-5,3,6} R:{4,8,9,10}
500

Is the following relation a function? Graph on board.

y=5

yes

500
If x=-4 evaluate f(x)=|x|+3.
What is f(-4)=7?
500
If f(x)=x^2+1 and g(x)=x-4 evaluate g(f(-2)).
What is 1?
M
e
n
u