F(x) wins. The sine has an amplitude of 4, and 1 is subtracted, so the minimum y value is -5. g(x) is never smaller than -3, and h(x) is always positive!
The sine has an amplitude of 4, and 1 is subtracted, so the minimum y value is -5. g(x) is never smaller than -3, and h(x) is always positive as far as I know.