The annual amount of energy produced in a country from dry natural gas (in tnillion cubic feet) can be approximated by the function g(t) 15.62(1.041)', wheret 10 corresponds to the year 2010. (a) Find the amount of dry natural gas energy produced in 2013. (b) If the model continues to be accurate, project the amount of dry natural gas energy produced in 2023.

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Equations and inequalities describe the relationship between two mathematical expressions.

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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.