Find the Cartesian coordinates of the given point.(-4, -?/3)
A. (-2, 2
)
B. (2, 2
)
C. (-2
, 2)
D. (-2
, -2)
Answer: A
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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = cos4 x
A. y = u4; u = cos x; 
= 4 cos3 x sin x
B. y = cos u; u = x4; 
= - sin(x4)
C. y = cos u; u = x4; 
= - 4x3 sin(x4)
D. y = u4; u = cos x; 
= - 4 cos3 x sin x
Evaluate the double integral.
A. 
(e - 1)2
B. 
(e2 - e)2
C. 
(e - 1)2
D. 
(e2 - e)2
Determine the number and type of solutions.2x2 + 3x + 4 = 0
A. 2 real solutions B. 1 real solution C. 2 imaginary solutions
Let 
and compute the Riemann sum of f over the interval 
, using
?
Two subintervals of equal length (
).
?
Five subintervals of equal length (
).
?
Ten subintervals of equal length (
).
?
In each case, choose the representative points to be the midpoints of the subintervals.
?
A. 87.0625 sq units; 87.43 sq units; 87.4825 sq units;
B. 87.0625 sq units; 87.4825 sq units; 87.43 sq units;
C. 87.4825 sq units; 87.43 sq units; 87.0625 sq units;
D. 87.43 sq units; 87.4825 sq units; 87.0625 sq units;