v(t)=3t^2-4t
v(1)-3-4=-1
a(t)=6t-4
a(1)=6-4=2
ответ:v=-1,a=2;
f'(x)=2x
f(x0)=4-2=2
f'(x0)=4
y=f(x0)+f'(x0)(x-x0)
y=2+4(x-2)
y=2+4х-8
y=4х-6
v(t)=3t^2-4t
v(1)-3-4=-1
a(t)=6t-4
a(1)=6-4=2
ответ:v=-1,a=2;
f'(x)=2x
f(x0)=4-2=2
f'(x0)=4
y=f(x0)+f'(x0)(x-x0)
y=2+4(x-2)
y=2+4х-8
y=4х-6