Solve the problem.Find the volume of the solid that lies between planes perpendicular to the x-axis at x = - and x = . The cross sections are squares whose diagonals stretch from the x-axis to the curve 

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


Answer: D

Mathematics

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Write the first five terms of the sequence {an}.a1 = 3, an + 1 = 

A. 3, , -3, - , 3
B. -3, , 3, - , -3
C. 3, - , 3, - , 3
D. 3, - , -3, , 3

Mathematics

Solve. -  = 

A. 4 B. 11 C. 8 D. 1

Mathematics

Simplify.  

A.
B.
C.
D.

Mathematics

Find the exact area of the circle in terms of ?.

A. 20.25? ft.2 B. 972? ft.2 C. 81? ft.2 D. 324? ft.2

Mathematics