Express the Following as a Single Fraction Involving Positive Exponents $$- 4 x ^ { - 3 } - 5 x ^ { - 7 } + x$$

question 69

Multiple Choice

Express the following as a single fraction involving positive exponents only. $$- 4 x ^ { - 3 } - 5 x ^ { - 7 } + x$$

• A) \(\frac { x ^ { 6 } - 4 x ^ { 4 } - 5 } { x ^ { 7 } }\)
• B) \(- \frac { x } { 4 x ^ { 7 } + 5 x ^ { 3 } }\)
• C) \(\frac { 4 x ^ { 4 } + 5 } { x ^ { 6 } }\)
• D) \(x ^ { 6 } - 4 x ^ { 7 } - 5 x ^ { 3 }\)
• E) \(- \frac { 1 } { x ^ { 10 } }\)

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Definitions:

Min Function

In mathematics, a function that identifies the smallest value in a set of numbers.

Income

Represents the money received, especially on a regular basis, for work or through investments.

Price of X

The amount of money required to purchase a specified amount of good or service 'X'.

Price of Y

The cost or value attributed to a good or service denoted by 'Y', often set by market demand and supply or by the seller.