This is a 1 to 1 ratio
Function
7x + 2 -5x
2x + 2
7 + (6 × 52 + 3)
160
This is a relation made with circles and arrows
mapping
f(x) = 2x - 3
find f(7)
11
This is what you call letters in algebra
variables
5m - 3 + 2m + 10 - 18m -1
-11m + 6
6 ÷ 3 + 4 × 2
10
In this relation you can repeat numbers
Table or domain and range
Which one is not a function?

B
Same letters, same letters and exponents or just numbers
like terms
-6(3c - 10)
-18 + 60
20 - (3 × 23 - 5)
1
Is this relation correct? Yes or No {(-2,3) (-2,4) (0,-3) (1,4) (3,1)} to 
No
Is this a function?
yes
When I take out a variable and replace it with a number
Substitution
5 - 9(3 -a)
-22 + 9a or 9a -22
(5 + 2)2 - 9 × 3 + 23
30
Name the ordered pairs of the following graph

A(3,2)
B(-2,1)
C(3,-4)
D(-2,-3)
E(-3,0)
F(0,2)
G(0,0)
Which one is not a function? What did you use to decide?

C and Vertical Line test
Multiplying the outside of the parentheses with everything on the inside
Distributive Property
-4(2w + 10) + 7(-1 -3w) -5(w - 8)
-34w -7 or -7 - 34w
4
Change this table to a mapping


f(x) = 3[2x2 + 7x - 10]
find f(-5)
15