Can anyone help me with some Precalculus? If so, please comment and then i can ask you some questions. I have a test tomorrow. Thanks for all the help!

Question

lgbasallote · Answer

does it include limits?

anonymous · Answer

No. Just functions and their graphs.

lgbasallote · Answer

hmm maybe i can help there

anonymous · Answer

Would you be able to express the area A of the rectangle as a function of x?  I can give you the rest of the information.

anonymous · Answer

area of rectangle is length X width right.

anonymous · Answer

ARE YOU THERE?

anonymous · Answer

Yea but I have to put it in terms of x. Let me tell you the problem

anonymous · Answer

A rectangle is inscribed in a semicircle of radius 2. Let P = (x,y) be the point in the quadrant I that is a vertex of the rectangle and is on the circle.

1) Express the area A of the rectangle as a function of x.
2) Express the perimeter p of the rectangle as a function of x.

anonymous · Answer

|dw:1346969534378:dw|    like that?