Solve the Problem $\int _ { 2 } ^ { 3 } \mathrm { f } ( \mathrm { x } ) \mathrm { dx } = 5$

question 38

Multiple Choice

Solve the problem.
-Suppose that $\int _ { 2 } ^ { 3 } \mathrm { f } ( \mathrm { x } ) \mathrm { dx } = 5$ . Find $\int _ { 2 } ^ { 3 } 4 \mathrm { f } ( \mathrm { u } ) \mathrm { du }$ and $\int _ { 2 } ^ { 3 } - \mathrm { f } ( \mathrm { u } ) \mathrm { du }$ .

• A) \(20 ; - 5\)
• B) \(9 ; 5\)
• C) \(4 ; - 5\)
• D) \(20 ; \frac { 1 } { 5 }\)

Identify when a tax on goods is likely to be effective in both reducing consumption and generating revenue.

Understand that the impact of a tax on consumption can depend on the availability of substitutes.

Know the distinction between price elastic and price inelastic demand.

Understand the conditions under which a tax might not reduce consumption of a good.

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