from the follow mg freguency clistibution, Computo the standand deviation (5-D) of 100 stuclents 60-62 63 65 66-68 69-7172-74 oue 2 Mass (ankg) No of Students 18 42 27

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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.