1. − 13
3. f(T − 10) = 9.1 + 0.08T + 0.001T2
5.
A = πr2
A = 14 πd2
7. d = 6Vπ−−−√3
9. A = 12 d2 , d = 2A−−−√
11. A = 4r2 − πr2
13. 7 , − 9
15. 6, 6
17. 3 − 2π22π , − 12
19. 19a − 13a2 , 0
21. 3s2 − 11s + 16 , 3s2 + s + 8
23. − 6
25. 62.9, 260
27. − 299.7
29. f(x) = 3x2 − 4
31. f(x) = x3 − 7x
33. Square the input and add 2.
35. Cube the input and subtract this from 6 times the input.
37. Multiply by 3 the sum of twice the input added to 5.
39. A = 5e2 , f(e) = 5e2
41. A = 5200 − 120t , f(t) = 5200 − 120t
43. 10.4 m
45. 75 ft, 2v + 0.2v2 , 240 ft, 240 ft
47. 31 lb/in . 2
49. d = 120t + 65
51.
f[f(x)] means “function of the function of x”.
8x4
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