All the following statements are false, in general. For each statement, give a brief explanation of why it's false and an example of a case when it's true, if ever.

. If the price of good 1 doubles and the price of good 2 triples, the budget line will pivot down. . If individual demand curves are linearJ so is the market demand curve. . Roughly circular indifference curves are implausible for standard con- sumers