Question

1. F(x)=-cosx^2/x-x^3+4
2.f(x)=$x^{2}$-sinx

Answer 1

$F(x)=- frac{cosx^2}{2} - x^{3} +4 \ f(x)=- frac{-sinx^2*2x}{2} -3x^2=frac{2xsinx^2}{2} -3x^2=xsinx-3x^2$

2 f(x)=x²-sinx
f'(x)=2x-cosx