The figure below shows the velocity, v (in feet/second), of a runner for 0 < t< 20 seconds and the rectangles used to estimate the distance traveled. 16 0. 20

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A:

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A:

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.