Simplify the Expression $\frac { 9 x ^ { - 1 } + 9 y ^ { - 1 } } { x ^ { - 1 } - y ^ { - 1 } }$

question 7

Multiple Choice

Simplify the expression. $\frac { 9 x ^ { - 1 } + 9 y ^ { - 1 } } { x ^ { - 1 } - y ^ { - 1 } }$

• A) \(- 18 , x \neq 0 , y \neq 0\)
• B) \(\frac { x + y } { 9 x y } , x \neq 0 , y \neq 0\)
• C) \(\frac { x y } { 9 ( x + y ) } , x \neq 0 , y \neq 0\)
• D) \(\frac { 9 ( x + y ) } { y - x } , x \neq 0 , y \neq 0\)
• E) \(\frac { 9 ( x - y ) } { x y } , x \neq 0 , y \neq 0\)

Define a market and understand the various types of markets.

Understand the concept and implications of monopoly in the market.

Grasp the law of demand and its effects on the market.

Understand how markets allocate resources effectively.

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Definitions:

Conception

The process of a sperm fertilizing an ovum, resulting in the formation of a zygote and the beginning of pregnancy.

Genetic Instructions

The information encoded in an organism's DNA that guides growth, development, and functioning.

Gelatinous Layer

A viscous coating found on many aquatic organisms, which plays roles in protection and adhesion.

Ova

The female reproductive cells or eggs in animals and plants, capable of developing into a new individual upon fertilization.