Find the exact value of the expression or state that it does not exist.tan-1 
A. 
B. - 
C. - 
D. 
Answer: C
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Solve the problem.Find the volume of the solid obtained by revolving the region bounded by the curve y = 
on
about the y-axis. Round to 3 decimal places.
A. ?
? 7.718
B. ?
? 8.268
C. ?
? 12.021
D. ?
? 13.497
Express the given function as a composite of functions f and g such that y = f(g(x)).y = 
A. f(x) = 2, g(x) = 
B. f(x) = 
, g(x) = 2
C. f(x) = 
, g(x) = 7x + 10
D. f(x) = 
, g(x) = 7x + 10
Find the degree and leading coefficient of the polynomial.-16x9 - 6x + 9
A. Degree: 11; leading coefficient: -16 B. Degree: 10; leading coefficient: -16 C. Degree: -16; leading coefficient: 9 D. Degree: 9; leading coefficient: -16
Solve.Two numbers total 8, and their difference is 18. Find the two numbers.
A. 5 and 3 B. 13 and - 5 C. 4 and - 14 D. 8 and 2