document.write( "Question 1122639: Let f be the function that determines the area of a circle (in square cm) given the radius of the circle in cm, r. That is, f(r) represents the area of a circle (in square cm) whose radius is r cm. Use function notation to complete the following tasks. \r
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\n" ); document.write( "\n" ); document.write( "a. Represent the area (in square cm) of a circle whose radius is 2.1 cm.
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Algebra.Com's Answer #738787 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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