The papulation standard pevialion of a Brology Exam was 500 with stand deviation of 48 asume the distribution eFscre is bell- shaped, 9)47.5/ of the scores in What intervals ? 9)475% b) 49.85/ oF the scoes are in What intevals?

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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.