23. [-11 Points] OHDO Submissions Used The daily marginal revenue function associated with seliing xwidgets is given by R'{x) = 715;? + 15x + 15 where R'(x) is measured in dollars per unit per day and x denotes the number of widgets produced and sold. Determine the demand function relating unit price to the quantity demanded. O p(x) = 45x2 + 32x + 15 O p(x) : 5x2 + 8x+ 15 O p(x) = 5x3 + 8x2 + 15X 0 p(x) = 30x2 + 16x 0 p(x) = 715:? + 16x2 + 15x