Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = 
8
A. y = u8; u = 5x2 - 
- x; 
= 8
7
B. y = 5u2 - 
- u; u = x8; 
= 10x16 - 
- x8
C. y = u8; u = 5x2 - 
- x; 
= 8
7
D. y = u8; u = 5x2 - 
- x; 
= 8
7
Answer: D
Mathematics
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Solve the system of linear equations. x - 2y = 182x - 2y = 26
A. (8, -5) B. (9, 8) C. No solution D. (9, -6)
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Write as the sum and/or difference of logarithms. Express powers as factors.log6
A. 
log6
B. 5log6x + 7log6y
C. 5log6x - 7log6y
D. 7log6y - 5log6x
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Rewrite the quadratic function in standard form by completing the square.f(x) = x2 + 5x + 2
A. f(x) = 
2 - 
B. f(x) = (x + 5)2 - 23
C. f(x) = 
2 + 
D. f(x) = (x - 5)2 + 23
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