Find the derivative of the function at P0 in the direction of u.f(x, y) = tan-1 
, P0(10, 5), u = 12i - 5j
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the quadratic equation by completing the square.x2 - 4x + 8 = 0
A. {2 + 2i} B. {4, 0} C. {2 + 2i, 2 - 2i} D. {2 - 4i, 2 + 4i}
Mathematics
Provide an appropriate response.11
% = ? (decimal)
A. 0.116 B. 1.16 C. 0.0116 D. 11.6 E. none of the above
Mathematics
Solve the problem.Police use the formula s = S 
, where S is the test-car speed and L is the test-skid length, to find the actual speed s in an accident which left a skid mark of length l. Simplify the expression S 
by rationalizing the denominator.
A. S 
B. 
C. 
D. 
Mathematics
Solve the equation and check your proposed solution.8 = m - 19
A. 27 B. -11 C. 11 D. -27
Mathematics