The depth D, in inches, of snow in my yard t hours after it started snowing this morning is given by D = 1.2t + 4. If the depth of the snow is 5 inches now, what will be the depth one hour from now? D = in

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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.