1) f'(x)=(3/5)x^2 2) g(x)'=-5x^9 3) t(x)'=4*x^(-3)*(-2)=-8*x^(-3) 4) p'(x)=-35*x^(-8)
g(x)'=(3x-5x^2)/(2√x)+√x*(3-10x)=√x(3-5x)/2+√x(3-10x)=
=√x/2(3-5x+6-20x)=3√x/2(3-5x)
f'(x)=10x(3x+4)+3(5x^2-9)=30x^2+40x+15x^2-27=
=45x^2+40x-27
