Question: A consumer has a quasilinear utility function, Equation 3.9, U = u(q1) + q2, where du(q1)/dq1 7 0 and d2u(q1)/dq1 2 6 0. Show that

A consumer has a quasilinear utility function, Equation 3.9, U = u(q1) + q2, where du(q1)/dq1 7 0 and d2u(q1)/dq1 2 6 0. Show that the consumer’s indifference curves are parallel and convex.

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