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'. (13 pts) Solve the quadratic equation 3x2 + 4x = 0 :. (13 pts) A store has been selling 120 at-screen TVs a week

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'. (13 pts) Solve the quadratic equation 3x2 + 4x = 0 :. (13 pts) A store has been selling 120 at-screen TVs a week at $330 each. A market survey indicates that for each $35 rebate offered to buyers, the number of TVs sold will increase by 15 a week. How large of a rebate should the store offer to maximize its revenue? Hint: Revenue is price times quantity

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