Find the area of the surface generated when the given curve is revolved about the x-axis.  y =  +   on  

A.
B.
C.
D.


Answer: D

Mathematics

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Answer the question.Is f continuous at f(0)?  

A. No B. Yes

Mathematics

Change the order of integration and evaluate the integral.

A.

3322?3?

B. ?3
C. ?3
D. ?3

Mathematics

Solve.If y varies jointly with x and z and inversely with n and y = 49 when x = 2,  and  find y when  z = 5, and n = 10.

A. 42 B. 21 C. 35 D. 84

Mathematics

Tell whether the relation is a function. 

A. Function B. Not a function

Mathematics