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Generally a firm should shutdown if it's revenue is less than it's total cost. However in the short run since fixed costs (e.g. rent) have already been paid the firm only considers it's variable costs (e.g. ...

Although approaching an unseen poem in an exam can be quite scary, with practice and planning this part to the exam can be fun and easy. Firstly, read and reread the poem and take each part of the poem seper...

This is an actual question from an EdExcel C3 paper worth 4 marks. Ok so first thing we do is look at the function and try and determine which of our 3 differentiation rules we use. Is it a Product / Quotien...

Completing the square is one of the 3 common ways to solve a quadratric equation (other two being factorising and using the quadratic formula).Using completing the square method, you manipulate the first two...

To solve the inequality all x terms must be move to one side and all non x terms to the other. First the brackets must be expanded to give 5x+10 > 7x+9. Then 9 is subtracted from both sides to give 5x+1 &...