Question

I need to know the answer ASAP please

Answer 1

By observing the points you can learn a lot about a function. Concretely
`f(x)` passes through
`(1,1)` but
`g(x)` passes through
`(1,-(1)/(2))` that should give you a hint that
`g(x)=-(1)/(2)x^2`.

Hope this helps :)