Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = (10 - 2t)i + (2 + 9t)j + (6t - 2)k, 5 ? t ? 9
A. 1694 B. 154 C. 44 D. 484
Mathematics
Evaluate the determinant.
A. -5 B. 4 C. 0 D. -4
Mathematics
Solve. x + y = 
4y + 4z = - 
5x + z = - 3
A. 
B. 
C. 
D. 
Mathematics
Determine whether f and g are inverses by determining whether 
and 
f(x) = 
, g(x) = - 
A. Yes B. No
Mathematics