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85)<br />

∫<br />

0<br />

3 9<br />

x2 dx<br />

86)<br />

87)<br />

88)<br />

∫<br />

0<br />

∫<br />

5<br />

∫<br />

1<br />

π/2<br />

θ2 dθ<br />

7<br />

11 dx<br />

7<br />

6 dx<br />

89)<br />

∫<br />

2<br />

14<br />

z- 14 dz<br />

90)<br />

∫<br />

0<br />

5<br />

2x2 + x + 9 dx<br />

91)<br />

∫<br />

6<br />

0<br />

3x2 + x + 3 dx<br />

Find the derivative.<br />

d x3<br />

92)<br />

dx ∫ sin t dt<br />

0<br />

Find the total area of the region between the curve and the x -axis.<br />

93) y = 2x + 7; 1 ≤ x ≤ 5<br />

Find the area of the shaded region.<br />

94)

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