Write a chain rule formula for the following derivative.
for u = f(r, s, t); r = g(y), s = h(z), t = k(x, z)
A. 
= 
B. 
= 
C. 
= 0
D. 
= 
Answer: A
Mathematics
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Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(4x4y4)1/2
A. 2x2y2 B. x2y2 C. 2x2y D. 2x4y2
Mathematics
Find the x-intercepts of the graph of the equation. (The grids are intentionally not included.)y = x2 + 5x - 14
A. (0, -14)
B. (-7, 0), (2,0)
C. (-8, 0), (3, 0)
D. 
, 
Mathematics
Determine the real solutions to the system of nonlinear equations.y = x - 1y2 = -4x
A. (-1, -2), (-1, 2), (1, 0) B. (-1, -2), (-1, 2) C. (-1, -2), (1, 0) D. (-1, -2)
Mathematics
Find the difference. Simplify the result.
- 
A. 
B. 
C. 
D. 
Mathematics