Solve the problem.Evaluate 
at (x, y, z) = (3, 4, 1) for the function u(p, q, r) = p2 - q2 - r; p = xy, q = y2, r = xz.
A. 97
B. 95
C. 23
D. 25
Answer: B
Mathematics
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Find dy/dt.y = cos6(?t - 11)
A. -6? cos5(?t - 11) sin(?t - 11) B. 6 cos5(?t - 11) C. -6? sin5(?t - 11) D. -6 cos5(?t - 11) sin(?t - 11)
Mathematics
Complete the square to write the equation in the form 
- 
= 1 or 
- 
= 1. y2 - 16x2 + 4y - 32x - 28 = 0
A. (x + 1)2 - 
= 1
B. 
- (x + 2)2 = 1
C. 
- (y + 1)2 = 1
D. 
- (x + 1)2 = 1
Mathematics
Prove that the identity is true.
?
What will be an ideal response?
Mathematics
Differentiate.y = xln x
A. (ln x)2
B. xln x - 1ln x
C. 2xln x - 1ln x
D. 
Mathematics