Express the Sum Using Summation Notation $$4 + \frac { 9 } { 2 } + 5 + \frac { 11 } { 2 } + \ldots + \frac { 17 } { 2 }$$

question 85

Multiple Choice

Express the sum using summation notation. Use a lower limit of summation, not necessarily 1, and k for the index of summation.
- $$4 + \frac { 9 } { 2 } + 5 + \frac { 11 } { 2 } + \ldots + \frac { 17 } { 2 }$$

• A) \(\sum _ { k = 2 } ^ { 17 } \frac { k } { 2 }\)
• B) \(\sum _ { k = 8 } ^ { 17 } \frac { k } { 2 }\)
• C) \(\sum _ { k = 8 } ^ { 12 } \frac { k } { 2 }\)
• D) \(\sum _ { k = 1 } ^ { 17 } \frac { \mathrm { k } } { 2 }\)

Apply the concept of utility maximization to determine optimal consumption choices in various scenarios.

Interpret the implications of different utility functions on consumption decisions.

Evaluate the effect of technological or environmental changes on consumption and saving decisions.

Understand the role of loan and savings interest rates on investment decisions.

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