Determine the indefinite integral.
A. -ln(1 + cosh x) + C
B. cosh2 x + C
C. 
+ C
D. ln(1 + cosh x) + C
Answer: D
Mathematics
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Write each whole number in expanded form.6712
A. 2000 + 100 + 70 + 6 B. 6,712,000 C. 6000 + 700 + 10 + 2 D. 600 + 10 + 7
Mathematics
Solve the problem.Find the average height of the paraboloid 
above the disk 
in the 
.
A. 96
B. 160
C. 
D. 32
Mathematics
Find area of figure. Round to the nearest hundredth if necessary.Find the area of a rectangle measuring 6
mi by 11
mi.
A. 66
mi2
B. 73
mi2
C. 18 mi2
D. 36 mi2
Mathematics
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 3; zeros: -2 and 3 + i.
A. f(x) = x3 - 6x2 - 10x + 20 B. f(x) = x3 - 8x2 + 2x + 20 C. f(x) = x3 - 4x2 - 10x + 20 D. f(x) = x3 - 4x2 - 2x + 20
Mathematics