Answers

2016-07-12T21:37:45+08:00
 f(x)=a x^{2} +bx+c
where a,b and c are real number and a  \neq 0.


y= x^{2} orf(x)= x^{2}
quadratic function where b and c are both = to 0 and a is = to 1.
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