A jet takes off at a 15 degree angle of elevation. The jet's air speed is 300 ft/sec. Write, but do not evaluate, equations in terms of t for the horizontal distance, h, and the vertical distance, v, that the jet travels in t seconds. Horizontal Distance: Vertical Distance:

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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.