NotSoGoodAtMath4743 NotSoGoodAtMath4743 23-05-2023 Mathematics contestada 1.7 Q11 1 Given a total-revenue function R(x) = 1000VX2 -0.3x and a total-cost function C(x) = 2000 (x² +2) = +600, both in thousands of dollars, find the rate at which total profit is changing when x items