1
y`=sin³(6x²+9)cos(6x²+9)*12x=12xsin³(6x²+9)cos(6x²+9)
2
y`=10x^4-3cos3x
y``=40x³+9sin3x
y```=120x²+27cos3x
3
f`(x)=1-3x²
a)f(0)=0
f`(0)=1
y=0+1(x-0)=x
b)f(2)=2-8=-6
f`(2)=1-12=-11
Y=-6-11(x-2)=-6-11x+22=-11x+16
4
V(t)=9t²-2t
v(5)=225-10=215
a(t)=18y-2
a(2)=36-2=34