Joe's broker's fee schedule is given in the table. Joe's current portfolio is worth $50,000. He wants to purchase 50 shares of a company's stock for a purchase price of $15 per share.
Joe will need to pay a commission of
sly. The total amount charged by the broker will be

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Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.