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Given the parametric equations: x(t) = ?^2 − ? + 2, ?(?) = ?^3 − 3?...

Given the parametric equations:
x(t) = ?^2 − ? + 2, ?(?) = ?^3 − 3?
A. Find the slope when t = 0.
B. Find the tangent equation when t = 0.
C. Find the concavity when t =0
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