Calculate the arc length of the indicated portion of the curve r(t).r(t) = 11t2i + 10t2j + 2t2k, -1 ? t ? 2
A. 22.5
B. 337.5
C. 675
D. 45
Answer: D
Mathematics
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Write the integral that gives the surface area generated when the curve is revolved about the x-axis. Do not simplify.y = x7 on [0, 3]
A. 2?
dx
B. 
dx
C. 2?
dx
D. 2?
dx
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Find the derivative.y = cos x4
A. sin x4 B. -4x4 sin x4 C. 4 sin x4 D. -4x3 sin x4
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Provide an appropriate response.
Which state has the most Little League teams?
A. Florida B. California C. New York D. New Jersey
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Provide an appropriate response.A fraction that shows what portion of the total finance charge has not been paid at the time a loan is paid off is called the:
A. pay-off ratio B. constant ratio C. refund fraction D. finance rebate
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