Add Simplify, If Possible $\frac { 2 } { 15 x } + \frac { 4 } { 21 x ^ { 2 } }$

question 223

Multiple Choice

Add. Simplify, if possible.
- $\frac { 2 } { 15 x } + \frac { 4 } { 21 x ^ { 2 } }$

• A) \(\frac { 48 } { 105 x ^ { 2 } }\)
• B) \(\frac { 2 ( 7 x + 10 ) } { 105 x ^ { 2 } }\)
• C) \(\frac { 6 } { 15 x + 21 x ^ { 2 } }\)
• D) \(\frac { 6 } { 315 x ^ { 2 } }\)

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Definitions:

Present Value

The current worth of a future sum of money or stream of cash flows given a specified rate of return, often used in evaluating investment opportunities.

Interest Rate

The ratio of interest charged on a loan to the borrower, usually represented as a yearly percentage of the remaining loan amount.

Compound Interest

Calculating interest that includes both the original principal amount and all previously accumulated interest on a loan or deposit.

Simple Interest

The method of calculating interest charges based on the principal amount only, not compounding on accumulated interest.