# Maths Parabola

posted by
**Joel**
.

if a parabola is defined by f(x)=ax+bx+c,where a straight line is defined by g(x)=-1/2x.then Df=R,Rf=(-2,infinity) and b/2a=2

determine a,b and c and write down the equation of f.

posted by
**Joel**
.

if a parabola is defined by f(x)=ax+bx+c,where a straight line is defined by g(x)=-1/2x.then Df=R,Rf=(-2,infinity) and b/2a=2

determine a,b and c and write down the equation of f.