If 25% of an item is 13 what is the original number?

If f(x)= 3x+6 which of the following is the inverse of f(x)

Select the quadratic that has root x = 8 and x = -5

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