Need help with these questions, thanks!

A linear revenue function is R = 38.66X. (a) What is the slope m? m: (b) What is the marginal revenue W? What does the marginal revenue mean? 0 Each additional unit sold decreases the revenue by this many dollars. 0 Each additional unit sold yields this many dollars in revenue. 0 If the number of units sold is increased by this amount, the revenue decreases by $1. 0 If the number of units sold is increased by this amount, the revenue increases by $1. (c) What is the revenue received from selling one more item if 34 are currently being sold? $: What is the revenue received from selling one more item if 7'1 are being sold? $ Z Need Help? _ [-10.6 Points] DETAILS HARMATHAP12 1 15.009. Let C(X) = 3X + 250 and R[x) = 23x. (a) Write the profit Function P(x). P(X) = (b) What is the slope m of the profit function? an: Q What is the marginal prot E\"? (d) Interpret the marginal prot. 0 The prot is maximized when this many units are sold. 0 Each additional unit sold increases the prot by this much. 0 Each additional unit sold decreases the prot by this much. 0 This is the smallest number of units that can be sold in order to make a prot