Help this is due today!

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

Does anyone know how to do geometryme with this problem

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?