1
y=x^3
y'=3x^2
y(3)'=3*3^2=27
2
y=lnx
y'=1/x
y(e)'=1/e
3
y=2^x
y'=2^xln2
y(0)=2^0ln2=ln2
4
y=sinx
y'=cosx
y(π/3)'=cosπ/3=1/2
1
y=x^3
y'=3x^2
y(3)'=3*3^2=27
2
y=lnx
y'=1/x
y(e)'=1/e
3
y=2^x
y'=2^xln2
y(0)=2^0ln2=ln2
4
y=sinx
y'=cosx
y(π/3)'=cosπ/3=1/2