In order to stay awake during class, a professor keeps a 200 ounce capacity coffee maker in his office that contains 40 ounces of coffee containing 500 mg of caffeine. After developing a tolerance to such a small amount of caffeine, he begins to brew espresso containing 60 mg of caffeine per ounce at a rate 20 ounces per hour. If he consumes the coffee espresso mixture at a rate of 10 ounces per hour, then determine the amount of caffeine in the coffee mixture when the coffee maker contains 300 ounces

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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.