Which of the Following Are Alternating Series?
1) $\sum _ { n = 0 } ^ { \infty } \left( - \frac { 3 } { 4 } \right) ^ { n }$

question 237

Multiple Choice

Which of the following are alternating series?
1) $\sum _ { n = 0 } ^ { \infty } \left( - \frac { 3 } { 4 } \right) ^ { n }$
2) $\sum _ { n = 1 } ^ { \infty } \frac { ( - 1 ) ^ { 2 n + 1 } } { n }$
3) $\sum _ { n = 0 } ^ { \infty } \cos ( 3 n \pi )$

• A)None
• B)1
• C)2
• D)3
• E)1, 2
• F)1, 3
• G)2, 3
• H)1, 2, 3

Calculate break-even points in units and sales dollars under different cost and price scenarios.

Analyze the effects of changes in fixed costs, variable costs, and selling price on break-even points.

Identify the factors that cause the break-even point to increase or decrease.

Understand how changes in variable costs and fixed costs affect operating income.

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