6. A shopper observes that whenever the price of butter goes up, the price of cheese goes up also. Can the shopper conclude that the price of butter causes the increase in the price of cheese? If not, how would you account for the correlation in prices?

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Q: Q9) The linear form of nonlinear ODE y' - 2y = 2y*, is: b) u' - 6u = -6 a) u' + 6u = -6 d) u' + 6u =…

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