The time t that it takes to get to schoolvaries inversely with your average speed s.(a) Suppose that it takes you 40 minutes to get to schoolwhen your average speed is 30 miles per hour. Expressthe driving time to school in terms of average speed.(b) Suppose that your average speed to school is 40 milesper hour. How long will it take you to get to school?

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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.