Suppose classmates who graduated in 2004 compared their median incomes ten years later. The bar graph displays the median income, in thousands of dollars, for each classmate during the time intervals from 60 43 38 2005-2009 and 2010-2014. 35 35 For the individual with the largest dollar value increase 30 in median income over the two time intervals, 20 determine the amount of increase. Martina Roger Scott Becky Yronne Classmates 2005 - 2009 2010 - 2014 By what percentage did Roger's median income decrease over the two time intervals? Give your answer to the nearest percent. Percentage: % Median income (thousands of dollars)

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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.