MATH 157 Lecture Notes - Solution Process

• School: Simon Fraser University
• Department: Mathematics
• Course: MATH 157
• Professor: Stephen Choi

Document Summary

Instructor questions accompanying paper assignment # 3 solution. Directions: print double sided, write your solutions to both questions directly on this page, place immediately after cover page and staple together! Marks: an answer without a detailed solution process will be awarded zero marks! Q1: the annual sales of crimson drug store are expected to be given by. S(t) = 2. 3 + 0. 4t million dollars t years from now, whereas the annual sales of cambridge drug store are expected to be given by. S(t) = 1. 2 + 0. 6t million dollars t years from now. Solution: set 2. 3 + 0. 4t = 1. 2 + 0. 6t. We solve for t and get 1. 1 = 0. 2t or t = 5. 5. When 5 and half years, the annual sales of cambridge rst surpass the annual sales of crimson. Math 157 - d100assignment #3 (cid:40) 3x + 17 if x 4 if x < 4.