Need help with this problem a,b,c,d,e.

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The price p and the quantity x sold of a certain product obey the demand equation below. x= -7p+154, 05 p522 (a) Express the revenue R as a function of x. (b) What is the revenue if 63 units are sold? (c) What quantity x maximizes revenue? What is the maximum revenue? (d) What price should the company charge to maximize revenue? (e) What price should the company charge to earn at least $595 in revenue? (8) R00 = (b) The revenue if 63 units are sold is $|:|. (Simplify your answer.) (0) The quantity D units maximizes revenue. (Simplify your answer.) The maximum revenue is $|:|. (Simplify your answer.) (d) The company should charge 35 to maximize revenue. (Simplify your answer.) (e) The company should charge at least $|:| to at most $|:| to earn at least $595 in revenue