Find the length of the indicated portion of the curve.r(t) = (2cos t)i + (2sin t)j + 3tk, 0 ? t ? ?/2
A. 
?
B. 
?
C. 
?
D. 
?
Answer: B
Mathematics
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Write the following in exponential form. Assume that all variables represent positive values.
A. 
B. (2t - 8)7/8
C. (2t - 8)-7/8
D. (2t - 8)8/7
Mathematics
Multiply and simplify.
? 
A. 5m
B. 
C. 
D. 10
Mathematics
Multiply and simplify. ?
A. 5m
B.
C.
D. 10
Mathematics
Perform the indicated operation.
+ 
A. 
B. 
C. 
D. 
Mathematics