6. 7. -/1 points SCalcET8 13.2.505.XP. Find the derivative, r'(t), of the vector function. r(t) = ei-j+ln(1 + 2t)k r'(t) = Need Help? Read It Watch It Read It -/1 points SCalcET8 13.2.509.XP. Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point. x=4e, y = te, z = tet; (4,0,0) (x(t), y(t), z(t)) = Need Help? Talk to a Tutor Talk to a Tutor