Show that every line $y=mx$ intersects the curve $y^2+\int _{ 0 }^{ x }{ f(t)dt=2!}$
If $\int_{0}^{x}f(t)dt\rightarrow \infty$ as $|x|\rightarrow \infty\;,$ Then every line $y=mx$ Intersect $ y^2+\int_{0}^{x}f(t)dt=2$