Determine whether the expression is a polynomial. If it is a polynomial, give its degree.
A. polynomial, degree 5
B. polynomial, degree 14
C. not a polynomial
D. polynomial, degree -4
Answer: C
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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the y-axis
A. 32?
B. 
?
C. 64?
D. 
?
Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.x2 - 10x + 34 = 0
A. Factoring; -5, 3 B. Quadratic formula; 5 ± 3i C. Square root principle; 10 ± 6i D. Square root principle or factoring; 8, 2
Solve.x2 + y2 = 91 x = y2 - 1
A. (10, -
), (10, 
), (-9, -2i
), (-9, 2i
)
B. (-10, -i
), (-10, i
), (9, -2
), (9, 2
)
C. (-10, -3), (-10, 3), (9, -
), (9, 
)
D. (-10, -3i), (-10, 3i), (9, -
), (9, 
)
Evaluate the trigonometric function of the given quadrantal angle. If the value is undefined, write "undefined."cos 
A. 1 B. undefined C. -1 D. 0