Manufacturing An electronics manufacturing company produces three different models of headphones that are shipped to two warehouses. The shipment levels are represented by Warehouse 1 2 Model The prices per unit are represented by the matrix Compute and interpret the result.

Math 111: Chapter 1 Section 1 PRECALCULUS REVIEW The Real Number Line o Made up of the set of real numbers together with the addition, subtraction, multiplication and division o Each positive number lies to the right of the origin, Negative numbers to left of the origin o Coordinate: the real number that is associated with a point on the real number line Intervals o Open Interval: set of all real numbers that lie strictly between two fixed numbers a and b (a,b). Neither of its endpoints are included in the interval o Closed Interval: Both of its endpoints are included in the interval. o Half-Open Interval: Contain only one of their e