Data indicates the number of global malaria cases has risen sharply since the year 2000. The equation y=5.3x+49 approximates the number of global malaria cases y​ (in millions), where x=0 corresponds to the year 2000. Find the number of global malaria cases in the year 2007. What value for x represents the year 2007​? x=

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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.