Simplify the rational expression. If the expression is already in simplest form, state this as your answer.

A. y + 1
B. -1
C. 1
D. simplest form


Answer: D

Mathematics

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Find the area of the surface generated by revolving the curve about the indicated axis.  x = 3, 0 ? y ? 15/4; y-axis

A. 5?
B.  ?
C. ?
D.  ?

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Write the polynomial that represents the perimeter of the figure.

A. 2x2 - 2x - 2 B. 2x2 + 10x + 8 C. 2x2 - 4x - 2 D. x2 - 4x - 2

Mathematics

State the domain of the given function.f(x) = 

A. {x|x is a real number}
B.
C.
D.

Mathematics

Solve.Find the height of the cliff. Round to the nearest hundredth of a meter.

A. 23 yd B. 42.08 m C. 56.82 yd D. 43.19 yd

Mathematics