Write the integral that gives the surface area generated when the curve is revolved about the x-axis. Do not simplify.y = ln x3 on [1, 
]
A. 
dx
B. 2?
dx
C. 2?
dx
D. 2?
dx
Answer: C
Mathematics
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The graph of a function is given. Decide whether it is even, odd, or neither.
A. even B. odd C. neither
Mathematics
If y varies inversely as x, find the inverse variation equation for the situation.y = 30 when x = 3
A. y = 
B. y = 
C. y = 
D. y = 10x
Mathematics
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 3x6 - 9x4 - 8x3 + 5x2 - 4x
A. 1 or 3 positive; 0 or 2 negative B. 1 or 3 positive; 2 negative C. 0 or 2 positive; 1 or 3 negative D. 0 or 2 positive; 0 negative
Mathematics
Factor.x10 + 20x5 + 100
A. (x5 - 10)2 B. (x5 + 10)2 C. (x5 + 10)(x5 - 10) D. Not factorable
Mathematics