Solve the problem.Find the centroid of the region in the first quadrant bounded by the curve y = 11 cos x and the axes.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Answer: D
Mathematics
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Decide whether or not the number is a zero of the polynomial.P(x) = -4x3 + x2 + 7x - 2; -3
A. No B. Yes
Mathematics
Find at least three nonzero terms [including a0, at least two cosine terms (if they are not all zero) and at least two sine terms (if they are not all zero)] of the Fourier series for the given function.f(x) = 
A. f(x) = 
- 
+ 
B. f(x) = 
+ 
+ 
(5 sin x - sin 2x + . . .)
C. f(x) = 
- 
+ 
(3 sin x - sin 2x + . . .)
D. f(x) = 
- 
+ 
(5 sin x - sin 2x + . . .)
Mathematics
Solve.Write 6.1 as a fraction.
A. 
B. 
C. 
D. 
Mathematics
Use the given graph of the quadratic function f to write its formula as 
.
A. f(x) = - 
(x - 2)2 - 4
B. f(x) = - 
(x + 2)2 - 4
C. f(x) = -(x - 2)2 - 4
D. f(x) = -2(x - 2)2 - 4
Mathematics