f(x) = x
3/3 + 2x
2 + 4x - 5
7
f ' (x) = (1/9)*x^2 +4x +4
b) f(x) = 10/x3 - 6* 3√(x2) + 4*4√(x3)
= 10x^{-3} - 6 * x ^{2/3} + 4* x^{3/4}
f ' (x) = 10*(-3) * x^{-4} - 6 * (2/3) * x ^{-1/3} + 4 *(3/4) * x^{-1/4}
c) f(x) = xlog (x)produktregel: f ' (x) = 1+log(x) + x * 1/x
d) f(x) = 2x
3e
x - 3
x+e
5 = 2x^3 * e^x - e
x*ln(3) + e^5
f ' (x) = 2x^3 * e^x + 6x^2 * e^x - ln(3)* e
x*ln(3)