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Solve the inequality x/(x+2) ≤ 4/(x-3) for x ≠ -2 or 3

First we need to find the critical values. To find the critical values we must rearrange the equation and then replace the inequality symbol with an equals sign. The ≤ can be treated as an equality as long a...
GS
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What is a coordinate?

It is a point on a graph described by its numerical values. For example (2,3) would be 2 along the x-axis and 3 along the y-axis.
ES
Answered by Edward S. Maths tutor
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What is the definition of "Enthalpy Change of Formation"

The Enthalpy change when one mole of product is formed from its elements under standard states and conditions.
CK
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How does genetic engineering work?

It is a simple idea whereby we take new working genes, named wild types, and replace the faulty genes of some ones cells. This means the cells will then take up the new DNA and make a functional version of t...
ES
Answered by Edward S. Biology tutor
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What at the alkali metals?

These are the group one elements on the periodic table. They are highly reactive so are stored under oil. When they react with water it is often a violent reaction. It also turns to water alkaline, hence why...
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Answered by Edward S. Chemistry tutor
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