Which of the following statements describe a functions? OA amount of revenue a pretzel company makes is a function of how many pretzels are sold. O The number of meters walked is a function of the average rate of travel A towns yearly average income is a function of the year. A persons income is a function of their place of residence

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A: We will use substitution method to find the value of unknowns.

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Q: 1. 2x + 4y + 3: = 15 4x + 5y + 3: == 24 6r + 5y + 5z = 22

A: 1. 2x + 4y + 3z = 15    4x + 5y + 3z = 24    6x + 5y + 5z = 22    243453655 xyz = 152422Augmented…

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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.