Find the partial derivative.f(x, y) = 7x - 9y2 - 1. Find fx(x, y).
A. 6
B. 7x
C. -18y
D. 7
Answer: D
Mathematics
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Without solving, determine the character of the solutions of the equation in the complex number system.x2 - 2x + 1 = 0
A. two unequal real solutions B. two complex solutions that are conjugates of each other C. a repeated real solution
Mathematics
Subtract.
- 
A. 
B. 
C. 
D. 
Mathematics
Find the indicated function value for the function.Evaluate m(x) = -
for m(5)
A. 3
B. 
C. 2
D. -2
Mathematics
Simplify.
A. 
B. 
C. 
D. 6
Mathematics