Answer will give 30 points

the table shows the different outputs, y, for different inputs, x. input 1 3 5 7 output 8 6 5 4 part a: do the data in this table represent a function? justify your answer. part b: compare the data in the table with the relation f(x)= 4x+8. which relation has a greater value when x=3? part c: using the relation in part b, what is the value of x if f(x)=76?