Find the derivative of the function at P0 in the direction of u.f(x, y, z) = -9x + 3y + 8z, P0(10, -6, 7), u = 3i - 6j - 2k
A. - 
B. - 
C. - 7
D. - 10
Answer: A
Mathematics
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Write the fraction in decimal notation.
A. 
B. 
C. 
D. 
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Find the midpoint of the line segment joining the points A and B.A = (7, 1); B = (-16, -16)
A. 
B. (-9, -15)
C. (9, 15)
D. 
Mathematics
Solve the problem.A certain company announced that 82 jobs would be eliminated over the next 6 years, reducing the number of employees by 42%. How many current employees does the company have (before the job eliminations)? Round your answer to the nearest whole number.
A. 234 current employees B. 20 current employees C. 156 current employees D. 195 current employees
Mathematics
Solve the system of equations.
A. x = -2, y = -4, z = -3; (-2, -4, -3) B. x = -3, y = -4, z = -2; (-3, -4, -2) C. x = -2, y = -3, z = -4; (-2, -3, -4) D. inconsistent
Mathematics