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two part question: a) graph the parametric equation x=t2-t , y=t2+t+1 only on the interval -1<t<2...

two part question:

a) graph the parametric equation x=t2-t , y=t2+t+1 only on the interval -1<t<2

b) find an equation of the tangent line to the curve at the point (0,3)

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