please make sure you express it so i can verify and understand it and please do not answer it if you are not 100% for sure you are accurate; thank you

Find the rate of change of total revenue, cost, and proﬁt with respect to time. Assume that R(x) and 00:0 are in dollars. R(x} = 60x — 0.5×2, C(x} = 6x + 15, when x = 30 and dx I dt = 15 units per dayThe rate of change of total revenue is $|:| per day.The rate of change of total cost is $|:| per day. The rate of change of total proﬁt is $|:| per day.

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