Determine whether the lines l1 and l2 given by the vector equations are parallel, perpendicular, or neither. l1: r(t) = (-4 + 4t)i + (5 + t)j l2: r(s) = (2 + 2s)i + (2 - 8s)j

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