Find the work done by F over the curve in the direction of increasing t.F = -3yi + 3xj + 4z9k; C: r(t) = cos ti + sin tj, 0 ? t ? 5
A. W = 0
B. W = 30
C. W = 15
D. W = 
Answer: C
Mathematics
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Reverse the order of integration and then evaluate the integral.
A. 2 sin 4 B. 2 cos 4 C. 4 cos 2 D. 4 sin 2
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Write the first five terms of the sequence described.Geometric, with a4 = 24 and r = 
A. 32, 16, 8, 4, 2 B. 192, 96, 48, 24, 12 C. 64, 32, 16, 8, 4 D. 96, 48, 24, 12, 6
Mathematics
Two joggers set out at the same time from their homes 18 miles apart. They agree to meet at a point somewhere in between in an hour and a half. If the rate of one is 2 mph faster than the rate of other, find the rate of each.
What will be an ideal response?
Mathematics
Solve the equation. Express radicals in simplest form.x2 = 9 - 4x
A. {-1 + 
, -1 - 
}
B. {-2 + 2
, -2 - 2
}
C. {2 + 
}
D. {-2 + 
, -2 - 
}
Mathematics