Solve the inequality.|7 - x| ? 5
A. (-?, 2] ? [12, ?)
B. [12, ?)
C. [2, ?)
D. [2, 12]
Answer: D
Mathematics
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Find the derivative of y with respect to the appropriate variable.y = (1 - 3t) coth-1 
A. 
- 3 coth-1 
B. 
- 3 tanh-1 
C. (1 - 3t) coth-1 
D. - 
t
Mathematics
Solve the problem.A boat sails for 2 hours at 30 mph in a direction 95°58'. How far south has it sailed (to the nearest mile)?
A. 8 mi B. 2 mi C. 6 mi D. 4 mi
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Find the requested vector.v = 2i - 3j + kFind a vector orthogonal to both v and i + j.
A. i + j + 5k B. i - j + 8k C. -3i + 3j + 7k D. -i + j + 5k
Mathematics