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Calculus
Practice Quiz 440

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Evaluate the given indefinite integrals.

1.  Copy of intgral.gif (1071 bytes)3/x2 dx
-3/x  + c
3/x + c
- 3x -3 + c		 2.  Copy of intgral.gif (1071 bytes)5cos(3x) dx
5/3sin(3x) + c
5sin(3x) + c
-5/3sin(3x) + c
3. Copy of intgral.gif (1071 bytes)8y/(4y2 + 3)1/2 dy
 16(4y2 + 3)1/2 + c
2(4y2 + 3)1/2 + c
4(4y2 + 3)1/2 + c		 4.  Copy of intgral.gif (1071 bytes)sec2(5x) dx
5tan(5x) + c
1/15sec3(5x) + c
1/5tan(5x) + c
5.  Copy of intgral.gif (1071 bytes)tan(5x)sec2(5x) dx
10tan2(5x) + c
1/10sec3(5x) + c
1/10tan2(5x) + c		 6.  Copy of intgral.gif (1071 bytes)8cos2(x)sin(x) dx
-8/3cos3(x) + c
-8cos3(x) + c
-8/3cos2(x) + c
Evaluate each definite integral. No Calculators.
7. dx
15/16
3 2/3
15		 8. dx

2
9.  dx
1/2
Find the area of the regions enclosed by the given lines and curves.

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10.  y = 3x + 7 & y = x2 + 2x + 1
10.67
20.83
8.32		 11.  y = x2 - 2 & y = 2
10.67
20.83
8.32
12.  y2 = x & x = 4
10.67
20.83
8.32		 13.  y = x & y = 1 & y = x2/4 - 1st quadrant
8.03
1.33
0.83
14.  x = y2 & x = 4 - 1st quadrant
5.33
0.33
3.33
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