The solution is given by: . a) x = 5 + 2t, y = 1+t, z =t . c) x= -3t, y = t, z =t tER tER . b) x = 2t, y = -t, z =t tER . d ) No solution 11. ( 2 marks) Find an equation of the line that passes through the point (1, 2) and parallel to the line y = -2x - 1 . a) y = -2x - 4 . c) y = 2x + 4 . b) y = 3x + 2 . d) y= -2x + 4 12. ( 3 marks) Cost The RideEm Bicycles factory can produce 100 bicycles in a day at a total cost of $10,500 and it can produce 120 bicycles in a day at a total cost of $11,000. What are the company's daily fixed costs b, and what is the marginal cost per bicycle m? . a) b = 10, 000, m = 50 . c) b = -7000, m = 8, 000 . b) b = 8000, m = 25, . d) b = 25, m = 8000 13. (1 mark) Given the following Matrices then, . a) A XI = . c) A XI = . NN NO F . b) A XI = 8 . d) A XI = Question 1 continues on the next page. . . al Exam Fall: 2022 MATH 163 Page 6 of 14 14. (2 marks) Given the following Matrices A = [ ]. B= 3, then A-3B . a) A - 3B = . C) A - 3B = . b) A - 3B = [-5 . d) A - 3B = 7 ,] 15. ( 2 marks) A = 1 9] . a) AX AT 16 31 . c) Ax AT = 0 . b) A x AT = 0 8 . d) Ax AT = ' :]