km Two buses leave towns 796 kilometers apart at the same time and travel toward each other. One bus travels 15 faster than the other. If they meet in 4 h hours, what is the rate of each bus? Note that the ALEKS graphing calculator can be used to make computations easier. km Rate of the faster bus: km Rate of the slower bus: h olo O

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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.