Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(
+ 3)(
- 3)
A. 7
B. 1
C. 19
D. 10 - 2
Answer: B
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Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the parabola y = 4 - x2 and the x-axis, with density ?(x) = 2x2
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 
, 
= 0
D. 
= 0, 
= 
Consider the series 
.
?
Find the radius of convergence of the power series.
?
__________
?
Find the interval of convergence of the power series.
?
__________
What will be an ideal response?
Solve the problem.Calculate an average rate of speed for v = 4.3 mph and d = 5.3 mph in the formulaA = 
.
A. 4.75 mph B. 0.84 mph C. 2.38 mph D. Not enough data
Let U = {q, r, s, t, u, v, w, x, y, z}; A = {q, s, u, w, y}; 
and 
List the members of the indicated set, using set braces.B'
A. {q, s, y, z} B. {r, t, u, v, w, x} C. {r, t, u, w, x} D. {r, t, u, v, w, x, y}