A rectangle with one side lying along th...

A rectangle with one side lying along the x-axis is to be inscribed in the closed region of the xy plane bounded by the lines y = 0, y = 3x, and y = 30 - 2x. The largest area of such a rectangle is

A

a) `135//8`

B

b) 45

C

c) `135//2`

D

d) 90

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The correct Answer is:

C

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