#1) Jose opened a savings account and made an initial deposit of $450. His account triples annually. Let "x" represent the number of years after opening the account. Let "y" represent the amount of money in his savings. Write an equation to represent the situation: What is Jose's balance after 3 years?

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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.