The data below represents how much people use their air conditioner and what their electricity bill is. Write the linear equation that represents this relation to predict how much time people are using their air conditioner. Air conditioner use bill amount (hrs) (dollars) 15 225 6. 185 8. 165

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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.