Key for sample exam 1 A

there may have been typos in this exam. you should look to be able to solve each kind of problem.
  1. D
  2. C
  3. B
  4. B
  5. A
  6. D
  7. D
  8. D
  9. C
  10. C
  11. A
  12. A
  13. B
  14. C
  15. A
  16. B
  17. B
  18. C
  19. intercept is at (2, 5/3)
  20. x is oz. of food A, y is oz of food B and z is oz of food C.
    100 = 10 x + 10 y + 5 z (protein)
    100 = 6 x + 12 y + 4 z (carbos)
    100 = 8 x + 6 y + 12 z (iron)