Relations
What is a relationship between sets of values?
3 ---------> 7
6 ---------> 3
^------------> 5
9 ---------> 6
12 -------> 8
What is not a function?
f(5)
What is 76?
Domain
What is x values?
X
What is another name for zeros?
X 1
Y 2
Z 3
What is not a relation?
x y
------- ---------
4 5
4 7
17 9
What is not a function?
f(x) = 7x - 5
f(7)
What is 44?
Range
What is y values?
When a line crosses the y axis
What is a y-intercept?
1 6
2 7
4 8
5 9
5 10
What is not a function
x y
------- ---------
5 5
4 7
17 9
What is a function?
f(x) = 10x + 15
f(4)
What is 55?
--------- -----------
4 7
5 8
6 9
What is domain and range?
When a line crosses the x axis
What is an x-intercept