HELP ASAP ^^look at pic^^^

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ

Identify the number as a rational or irrational. explain. 127

Select the correct answer and solve for y