Find the derivative of the function at the given point in the direction of A.
A = 6i + 8j
A. - 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Perform the indicated operation.u = -4i - 6j , v = 6i - 5j; Find 6u + 8v.
A. 2i - 11j B. 24i - 76j C. 14i + 14j D. -72i + 4j
Mathematics
Shade the Venn diagram to represent the set.(A ? B ? C')'
A. 
B. 
Mathematics
Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression.
A. 1 B. sec x C. csc x D. -sec x
Mathematics
Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z. x + y + z = 92x - 3y + 4z = 7
A. 
B. no solution
C. 
D. 
Mathematics