The table shows the outputs y for different inputs x: input (x) 5 6 7 8 output (y) 2 5 8 11 part a: do the data in this table represent a function? justify your answer. (3 points) part b: compare the data in the table with the relation f(x) = 2x 13. which relation has a greater value when x = 7? (2 points) part c: using the relation in part b, what is the value of x if f(x) = 75? (5 points)