Given the Series $\sum _ { m = 1 } ^ { \infty } \frac { 3 m } { 4 ^ { m } ( 3 m + 5 ) }$

question 34

Multiple Choice

Given the series $\sum _ { m = 1 } ^ { \infty } \frac { 3 m } { 4 ^ { m } ( 3 m + 5 ) }$ estimate the error in using the partial sum $S _ { 8 }$ by comparison with the series $\sum _ { m = 9 } ^ { \infty } \frac { 1 } { 4 ^ { m } }$ .

• A) \(R _ { 8 } \leq 2.6130051\)
• B) \(R _ { 8 } \geq 0.0000052\)
• C) \(R _ { 8 } \leq 0.0000051\)
• D) \(R _ { 8 } \geq 0.0000051\)
• E) \[R _ { 8 } \leq 0.000005\]

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Definitions:

Flexible Budgets

A financial plan that varies in response to changes in the amount of operations or activity.

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Expenses that do not change in proportion to the level of activity or production volume.

Change Costs

Change costs refer to the expenses associated with making modifications to a project, product, or system, including the costs for design changes, materials, and labor.

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The management approach refers to the strategies and methods employed by a company's leadership to achieve its objectives and manage its resources.