Graph the function using a calculator and point-by-point plotting. Indicate increasing and decreasing intervals.f(x) = 3 ln x
A. Decreasing: (0, ?)
B. Increasing: (0, ?)
C. Increasing: (-3, ?)
D. Decreasing: (0, ?)
Answer: B
Mathematics
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Solve the problem.A circular pond is being installed in the corner of a yard, as shown. The installer needs to know the value of x in feet. Find x to the nearest tenth of a foot. 
?a = 47 ft
A. 55.1 ft B. 55.3 ft C. 54.7 ft D. 54.4 ft
Mathematics
Simplify the expression.[-(-4y2 - 2y + 7y3) - (10y2 + 10y - 9y3)] - y2
A. -16y3 + 13y2 + 12 B. 2y3 - 5y2 - 8 C. 2y3 - 7y2 - 8y D. 16y3 - 15y2 - 12
Mathematics
Find the surface area of the surface S.S is the intersection of the plane 3x + 4y + 12z = 7 and the cylinder with sides y = 4x2 and y = 8 - 4x2.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.
= ? (percent)
A. 1.28
%
B. 0.77
%
C. 7.77
%
D. 77
%
E. none of the above
Mathematics