The temperature at which water starts to boil is called its boiling point and is linearly related to the altitude. Water boils at 212°F at sea level and at 193.6°F at an altitude of 10,000 feet. b​) Find the boiling point at an altitude of 4,700 feet. ​(c​) Find the altitude if the boiling point is 203°F.   (d​) Graph T and illustrate the answers to (​b) and (c​) on the graph.

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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.