<PRE><B>Question 280136</B>
find a quadratic function that fits each set of data points
(-1, 4) ( 0,4) (4,84) 
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General Form: 
ax^2 + bx + c = y
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Procedure:
Substitute (x,y) values into the form to get three equations
with three unknows (a,b,c).
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Solve the system of three equations to find a,b,c.
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Write the equation using the a,b,c values.
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Cheers,
Stan H.
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