Total emissions of carbon dioxide from the burning of fossil fuels have been increasing at about 4% per year (data from 2010 to 2011). If emissions continue to increase at this rate, about how much higher will total emissions be in 2040 than in 2010? Using the approximate formula, emissions will increase by a factor of between 2010 and 2040. Using the exact formula, emissions will increase by a factor of between 2010 and 2040. (Round to two decimal places as needed.)

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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.