please and thank you, im tying too add length for the question requirement

Find the rate of change of tetel revenue, east, and prot wilh respect to time. Aeeume thet Rtx] and 0(1) are in dellere. Rtx1= 55x {15:2, G{x1= 5.1: +15, when x = 30' end dxfdt = 20 units per day The rate at change of total revenue is $ EDI] per day. The rate at change of total mat is $|:| per day