19 This table of ordered pairs contains elements of a function of x .
Which equation could define the function?
2
A y = ( x - 2)
+ 7
2
B y = ( x - 3)
+ 2
C y = -2 x + 11
D y = -5 x + 11
20 Which equation best represents the data in this table?
F
G
H
J
21
Which is most likely the equation of the line of best fit for the data given in the table?
A y = 0.45 x - 1
B y = 0.34 x - 0.9
C y = 0.50 x - 0.6
D y = 0.25 x - 0.7