Find an equation for the surface obtained by rotating the parabola y=2x² about the y-axis.
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Mathematics
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Evaluate the improper integral or state that it is divergent.
A. 19 B. -19 C. Divergent D. 38
Mathematics
Determine which numbers in the set are solutions to the equation.5r + 8 = 28; {2, 4, 15}
A. 4 B. 2 C. 15 D. none of them
Mathematics
Factor completely. If the polynomial is prime, say so.3k3 - 24
A. 3(x - 2)(x2 + 2x + 4) B. 3(x - 2)(x2 + 4) C. 3(x + 2)(x2 - 2x + 4) D. (3x - 2)(x2 + 2 + 12)
Mathematics
Find all solutions.x3 - 7x2 + 12x = 0
A. {0, -3, -4} B. {0, 3, 4} C. {-3, -4} D. {3, 4}
Mathematics