If a calculator is sold for $15.95, then the revenue in dollars, R, generated by this item is given by the formula R= 15.95g, where q represents the number of calculators sold. Use the formula to determine the revenue generated by this item if 40 calculators are sold. %24

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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.