A farmer has 100 metres of wire fencing from which to build a rectangular chicken run. He intends using two adjacent walls for two sides of the rectangular enclosure. (a) Determine a formula for the enclosed area in terms of x. Determine the dimensions which will give a maximum enclosed area. (b)

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.