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Calculus 2nd Edition Rogawski

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ANSWERS TO ODD-<br />

NUMBERED EXERCISES<br />

Chapter 1<br />

Section 1.1 Preliminary Questions<br />

1. a = −3 and b = 1<br />

2. The numbers a ≥ 0 satisfy |a| =a and | − a| =a. The numbers<br />

a ≤ 0 satisfy |a| =−a.<br />

3. a = −3 and b = 1 4. (9, −4)<br />

5. (a) First quadrant. (b) Second quadrant.<br />

(c) Fourth quadrant.<br />

(d) Third quadrant.<br />

6. 3 7. (b) 8. Symmetry with respect to the origin<br />

Section 1.1 Exercises<br />

1. r = 12337<br />

1250 3. |x| ≤ 2 5. |x − 2| < 2 7. |x − 3| ≤ 2<br />

9. −8<br />

[<br />

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