YANBUUNIVERSITYCOLLEGEPREPARATORY YEAR PROGRAMSemester – 121, 2012-2013
| Calculus for Management - I (MATH 111)
| Section ____________
Student Name:______________________________ Student ID: __________________Total Marks: 20 Marks Obtained: ______________
After each question, a blank space has been provided to write your solutions. Simplify your answers. Q.1 a) Find an equation of the line that passes through the point (4, -7) and is perpendicular to the line 2x-15y+64=0 [2 Marks]
b) Determine whether the lines through pair of points A-3,8, B1,-5and C-9,-2, D(8,4) are parallel, perpendicular or neither. [1 Mark]
Q.2 Find the domain of the given functions [2 Marks] a) fx= x-7x2-16
b) fx= 1x2-9
Q.3 Based on a study in 1987, the percentage of the Russian population by age afflicted with radiations from
sun is given by the function.
P(x) = 0.0465x2+0.02227x+4.9623 (0≤x≤25)
Where x is measured in years, with x=0 corresponding to age 60. What percentage of the Russian
population at age 75 is expected to have been affected by the radiations from sun? At age of 80?
Q.4 The projected number of gluten allergy curing drug in (thousands) used in...
Please join StudyMode to read the full document