Matthew wants to sell laptops and smartphones. He wants to sell at least 12 devices and earn at least $4500. L+S> 12 represents the number of laptops L and smartphones S Matthew should sell to achieve his goal of selling at least 12 devices. 425L + 125S > 4500 represents the number of laptops and smartphones he can sell to earn at least $4500. Does Matthew meet both of his goals by selling 9 laptops and 6 smartphones? Choose 1 answer: Matthew meets both of his goals. Matthew sells the expected number of devices but doesn't earn the expected amount of money. Matthew earns the expected amount of money but doesn't sell the expected number of devices. Matthew doesn't meet either of his goals.

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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.