When 58,511 is divided by 21, the quotient is 2,786 r numerical answers expected!

Can someone me with this problem . show your work .

How can you tell when x and y are not directly proportional?

The function c(n) below relates the number of bushels of apples picked at a pick-your-own orchard to the final cost for the apples. it takes as input the number of bushels of apples picked after paying an entry fee to an orchard and returns as output and returns as output the cost of the apples (in dollars)c(n) = 15n + 30which equation below represents the inverse function n(c), which takes the cost of the apples as input and returns the number of bushels picked as output