Compute the gradient of the function at the given point.
p = 
A. 4i - 7j
B. -4i + 8j
C. -16i - 56j
D. -16i + 56j
Answer: B
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Find the vertices and foci of the ellipse.100x2 + 36y2 = 3600
A. Vertices: (±6, 0); Foci: (±8, 0) B. Vertices: (±10, 0); Foci: (±8, 0) C. Vertices: (0, ±6); Foci: (0, ±8) D. Vertices: (0, ±10); Foci: (0, ±8)
Sketch the surface z = f(x,y).f(x, y) = 
A. 
B. 
C. 
D. 
Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
tan (csc-1 u)
A. 
B. 
C. 
D. 
Provide an appropriate response.Find all complex fourth roots of z = -16. Write each root in rectangular form.
A. 2 + i, 2 - i, -2 + i, -2 - i
B. 1 + i, 1 - i, -1 + i, -1 - i
C. 8
+ 8
i, 8
- 8
i, -8
+ 8
i, -8
- 8
i
D. 
+ 
i, 
- 
i, - 
+ 
i, - 
- 
i