Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(r, s), y = h(t), z = k(r, s, t)
A. 
= 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
+ 
Answer: C
Mathematics
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The graph of the function f follows. Choose the graph of 
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Find the vertices of the hyperbola with the given equation.
- 
= 1
A. (0, -1), (0, 1) B. (-1, 0), (1, 0) C. (0, -11), (0, 11) D. (-11, 0), (11, 0)
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Give all solutions of the nonlinear system of equations, including those with nonreal complex components.y = x2 - 14x + 49x + y = 19
A. {(3, 16), (10, 9)} B. {(7, 12)} C. {(3, 22), (10, 9)} D. {(-3, 22), (-10, 29)}
Mathematics