Posted by Lost One on Monday, December 31, 2012 at 2:38pm.
A function has a relative Maximum of (0,0) and a relative minimum of (3,5). What is the function?

Calculus  Steve, Tuesday, January 1, 2013 at 4:13am
assuming a polynomial, we see that y' is a quadratic, so
y = ax^3 + bx^2 + cx + d
(0,0) => d=0
(3,5) => 27a+9b+3c=5
y' = 3ax^2 + 2bx+c
y'(0) = 0 => c=0
y'(3)=0 => 27a+6b=0
solving for a and b, we get
y = 10/27 x^3  5/3 x^2
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