Find the derivative of the function at P0 in the direction of u.f(x, y) = 3x - 9y, P0(-10, -5), u = 4i - 3j
A. - 3
B. 
C. 
D. - 
Answer: B
Mathematics
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Simplify using the product rule.(-3x6y)(-2x3y5)
A. 6x9y6 B. 6x18y5 C. -5x9y5 D. -6x9y5
Mathematics
Use the limit comparison test to determine if the series converges or diverges.
A. Diverges B. Converges
Mathematics
Perform the indicated operation.
- 
A. -m B. 1 C. 0 D. m
Mathematics
Find the value of the expression.log7 76
A. 6 B. 6log77 C. 76 D. 1
Mathematics