Cumulative Review Exercises (Chapters P–7)
1. f(x+h)−f(x)h=2x+h−3
3. f−1(x)=12x+32f(f−1(x))=f(12x+32)=2 (12x+32)−3=x+3−3=x
5. x=4
7. (2, ∞)
9. x=2, y=3
11. x=2, y=2− log 2
13. 0
15. A−1=⎡⎣252132⎤⎦
17. 1,−1, 126–√,−126–√
19. Circle
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