Solutions: Linear 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
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- Precalculus. Provided by: OpenStax Authored by: Jay Abramson, et al.. Located at: https://openstax.org/books/precalculus/pages/1-introduction-to-functions. License: CC BY: Attribution. License terms: Download For Free at : http://cnx.org/contents/[email protected]..
