Identify the type of surface represented by the given equation. y2 + z2 = 1
A.
| Ellipsoid |
B.
| Parabolic cylinder |
C.
| Paraboloid |
D.
| Cylinder |
Answer: D
Mathematics
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A. Domain: [-3, ?) Range: [5, ?) B. Domain: (-?, 5] Range: (-?, -2] C. Domain: [-2, 6] Range: [-3, 5] D. Domain: [-3, 5] Range: [-2, 6]
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Find the y-intercept of the polynomial function.f(x) = -x2(x + 2)(x2 + 1)
A. 1 B. 2 C. 0 D. -2
Mathematics
Provide an appropriate response.Write a problem in which the quadratic equation 
must be solved in order to solve the problem.
What will be an ideal response?
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Robin, who is self-employed, contributes $5,500/year into a Keogh account. How much will he have in the account after 15 years if the account earns interest at the rate of 8.5%/year compounded yearly? Please round the answer to the nearest cent.
$ __________
Mathematics