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. 
?
Mathematics
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