Linear Function At low altitude, the altitude of a skydiver and time in the air are linearly related. A skydiver jumps out of a low-flying plane. If the plane is 1900 feet above the ground and the jump the jump lasts 90 seconds. How high above the ground was the skydiver 60 seconds after he jumped

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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.