Multiply.
? n
A. 
B. 
C. 
D. 63n
Answer: B
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 2 -x2 - y2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the volume of the solid that is generated by revolving the area bounded by the 
the curve 
and 
about the x-axis.
A. 
ln 65
B. 
? ln 65
C. 5? ln 
D. 
? ln 
Mathematics
An equation of the terminal side of an angle ? in standard position is given along with a restriction on x. Find the indicated trigonometric function value of ?. Do not use a calculator.
, x ? 0; Find sin ?.
A. 9
B. 
C. 
D. 
Mathematics
Find the indicated term for the arithmetic sequence.a1 = -10, d = 1; a33
A. 22 B. -43 C. 23 D. -42
Mathematics