Solutions: Polynomial and Rational Functions Practice Test
1. Yes. 3. Increasing 5. y = –1.5x – 6 7. y = –2x – 1 9. No. 11. Perpendicular 13. (–7, 0); (0, –2) 15. y = –0.25x + 12 17.
19. 150
21. 165,000
23. y = 875x + 10,675
25. a) 375
b) dropped an average of 46.875, or about 47 people per year
c) y = –46.875t + 1250
27.
29. Early in 2018
31. y = 0.00455x + 1979.5
33. r = 0.999