If f(x)=ax2+bx+cf(x) = ax^2 + bx + cf(x)=ax2+bx+c, which of the following is equivalent to f(x+h)−f(x)f(x+h) - f(x)f(x+h)−f(x)?
ah2+2axh+bhah^2 + 2axh + bhah2+2axh+bh
ah2+bh+cah^2 + bh + cah2+bh+c
2axh+bh2axh + bh2axh+bh
ah2+axh+bhah^2 + axh + bhah2+axh+bh