D.5. CHAPTER 5
Exercise 1
1. Fourth
3. Second
5. Fourth
7. First and fourth
9. x = 7
11. E(−1.8, −0.7); F(−1.4, −1.4); G(1.4, −0.6); H(2.5, −1.9)
Exercise 2
Exercise 3
1. y = x2
3. y = 3x − 2
5. y = x2 − 2x − 1
7. y = x3 − x
9. y = x3 − 2
11. y = 1.74x2 − 2.35x + 1.84
13. y − 2x2 − 3x = 3
15. Zeros at x = −2.20 and 0.91. Min at (−0.64, −16.9)
17. Zeros at x = −1.23 and 1.23 Min at (0, −31)
Exercise 4
1. 2
3. −0.797
5. 1
7. −1.40
Exercise 5
1. 3.14
3. −0.34, 2.47
5. −0.79, 1.11
Review Problems
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