Find the partial derivative.f(x,y) = 7x + 6x2y2 - 3y2. Find fx(x, y).
A. 12xy2 - 6y
B. 7 + 12xy2
C. 7 + 12x2y
D. 12x2y - 6y
Answer: B
Mathematics
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Find the inverse of the matrix.
a. 
b. 
c. 
d. 
e. 
Mathematics
Find the intersection.{2, 3, 6, 10} ? {4, 7, 11, 12}
A. ? B. {2, 4} C. {3} D. {0}
Mathematics
Factor the polynomial.6z6 - 5z3 - 6
A. (3z3 + 2)(2z3 - 3) B. (3z3 + 1)(2z3 - 6) C. 6(z3 - 3)(z3 + 2) D. (2z3 + 3)(3z3 - 2)
Mathematics
Find the requested value of the second derivative of the function.f(x) = x4 + 3x3 - 4x + 9; Find f"(-2).
A. 7 B. 16 C. 12 D. -11
Mathematics