Math100_Asgn1_Eng

# Math100_Asgn1_Eng - Macao Polytechnic Institute School of Business Commerce Programme(Day/English 1st Semester Year 2008/09 Math100-21621

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Macao Polytechnic Institute School of Business Commerce Programme (Day/English) 1 st Semester, Year 2008/09 Math100-21621, Mathematics Assignment (I) Write your name and student ID number on the first page. Hand in your assignment on or by 13 th , October, 2007 (Monday). 1. (a) Find the equation of the line passing through point (2, –2) and perpendicular to the line –3 y + 7 x = 20. (b) Solve the inequality |2z – 3| < 5. Give your answer in interval notation, and indicate the answer geometrically on the real-number line. (c) Solve the equation for x , 2 3 x x - = 1 9 x . 2. Trend Equation The projected annual sales (in dollars) of a new product is given by the equation S = 150,000 + 3000 t , where t is the time in years from 2001. Such an equation is called a trend equation (o ). Find the projected annual sales for 2006. Is S a function of t ? 3. Suppose a and b are linearly related so that a = 1 when b = 2 and a = 5 when b = 3. Find a general linear form of an equation that relates

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## This note was uploaded on 01/13/2011 for the course ESCE MATH100 taught by Professor Lawwingkin during the Winter '10 term at Acton School of Business.

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Math100_Asgn1_Eng - Macao Polytechnic Institute School of Business Commerce Programme(Day/English 1st Semester Year 2008/09 Math100-21621

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