Amazon offers a Prime Memebership for $79 per year , which qualifies a buyer for a reduced shipping ratr. With the Prime membership, 1 day shipping is $3.99 per shipment. Without the memebership, it is $13.99 per shipment. Write an equation to model the cost x 1day shipment per year for cost without the membership.

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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.