A particle moves along the so that at any time its accelaration is given by . At , the velocity of the particle is and its position is .

a) Find the velocity for .

b) Find the position for .

c) What is the position of the particle when it is farthest left?

I answered parts (a) and (b) (unsure if they're correct):

a)

b)

However I cannot answer part (c), here's what i have done(I have a bad feeling I am totally wrong):

Can anyone help?

Thanks in advance!