The total spent on research and development by the federal government in the United States during 2002-2012 can be approximated by S(t) = 3.1 In(t) + 22 billion dollars (2

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Q: ers to th

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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.