Find the x- and y-intercepts of f.f(x) = -x2(x + 5)(x2 - 1)

A. x-intercepts: -5, -1, 0, 1; y-intercept: -5
B. x-intercepts: -1, 0, 1, 5; y-intercept: 0
C. x-intercepts: -5, -1, 0, 1; y-intercept: 0
D. x-intercepts: -5, 0, 1; y-intercept: -5


Answer: C

Mathematics

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Find an equation for the sphere with the given center and radius.Center (0, 0, 5), radius = 8

A. x2 + y2 + z2 - 10z = 39 B. x2 + y2 + 8 z2 + 10z = 39 C. x2 + y2 + z2 + 10z = 39 D. x2 + y2 + 8 z2 - 10z = 39

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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 region bounded by y = 7, y = 7, and x = 0 about the line x = 1

A. ?
B. ?
C. ?
D. ?

Mathematics

Multiply.(3a + 2c)(3a - 2c)

A. 3a2 - 2c2 B. 9a2 - 12ac - 4c2 C. 9a2 + 12ac - 4c2 D. 9a2 - 4c2

Mathematics

Solve and check. = 6

A.
B.
C. 36
D. 6

Mathematics