Find a formula for a function f that satisfies the following

Last updated: 8/12/2022

Find a formula for a function f that satisfies the following conditions. lim f(x) = 0, lim f(x) = -00, f(7) = 0, X418 X-0 lim f(x) = 00, X-8 lim f(x) = -00, X-8+