Part B: Complete the following table for residuals for the linear function f (x) = 138.9x - 218.76
Hour
Retweets
Residual
Predicted
Value
1
65
2.
90
3
162
4
224
5
337
6
466
7
780
8
1087

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation: