State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 
- 
x
A. Yes; degree 3
B. Yes; degree 1
C. No; x has a fractional coefficient
D. Yes; degree 0
Answer: B
Mathematics
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The triangle with vertices (0, 0), (0, 2), and (5, 2) about the line x = 5
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the initial value problem.
= 20t(5t2 - 1)3, s(1) = -4
A. s = (5t2 - 1)4 - 260
B. s = 
(5t2 - 1)4 - 4
C. s = 
(5t2 - 1)4
D. s = 
(5t2 - 1)4 - 132
Mathematics
Write the expression in the standard form a + bi.
A. -1 - i B. -1 + i C. 1 + i D. -1 + 2i
Mathematics
Perform the indicated operations and simplify. Assume all variables represent positive real numbers.
- 3
+ 2
A. 14
B. 39
C. -14
D. -39
Mathematics