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Answer :

we have that

v(t)=12t^2

to obtain the position function, integrate the velocity function

so

[tex]s(t)=\int 12t^2dt=4t^3+C[/tex]

REmember that

s(0)=8

so

For t=0 s(t)=8

substitute

8=4(0^3)+C

c=8

therefore

s(t)=4t^3+8