Given below the total revenue in dollars and the total cost in dollars for a manufacturer. If q represents both the number of units produced and the number of units sold. 80 TC =-9+ 10 TR = = 10q a) Find the break-even quantity? b) Find the break-even price? (Replace q in one equation and this is the price)

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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.