Kelly MacArthur

Assistant Chair
Instructor Lecturer

Office: JWB 218
Email: macarthur@math.utah.edu

University of Utah
Department of Mathematics
155 S. 1400 E. JWB 233
Salt Lake City, UT
84112-0090 USA

Math1090 Business Algebra
Fall, 2009




Class Notes

Exam Reviews

  • Midterm 1:
    Chp 1 Review #1-37 odd, 45-53 odd, 61, 65-71 odd
    Chp 1 Test #1-20 all
    Chp 2 Review #1-9 odd
    Chp 2 Test #9,10,11

  • Midterm 2:
    Chp 2 Review #19-23 odd, 33-36 all, 37-41 odd, 45, 49-61 odd
    Chp 2 Test #3-13 all
    2.6 #2-8 even, 18-21 all
    Chp 3 Review #1-8 all, 9-43 odd, 54
    Chp 3 Test #1-12 all
    Answers for 2.6:
    #2(a) 2 (sqrt(x)) -3 (b) domain: x >= 0; range: y >= -3
    #4(a) 2/(3x+9) - 3 (b) domain: x can't be -3; range: all real numbers
    #6(a) 2/(x^3) + 8 (b) 1/( (2x+8)^3 )
    #8(a) 1/3 * (4 sqrt(4x-1) - 2) (b) sqrt( (4/3)*(4x-2) -1 )
    #18(a) inverse of f = (x+4)/3 (b) no
    #20) inverse of f = (x-5)/6

  • Midterm 3:
    Chp 4 Review #1-7 odd
    Chp 5 Review #1-33 odd, 37-61 odd
    Chp 5 Test #1-4 all, 9-22 all
    Chp 6 Review #1-23 odd
    Chp 6 Test #1-3 all, 5, 9, 11, 13

  • Final Exam:
    Fall 2008 Final Exam
    Spring 2009 Final Exam
    Final Review Exercises (a compilation of several old exams)
    Final Review Exercises Key
    Final Exam Key

Miscellaneous