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3. [-/1 Points] DETAILS LARCALC11 12.5.011. Sketch the space curve. Vector-Valued Function Interval r(t) = -ti + 5tj + 3tk [0, 1] Z Z 5 5 5 5 -2 -2 X 4 4 X 2 2 O OZ Z 5 5 5 5 -2 -2 X 4 X 2 4 2 O O Find its length over the given interval.4. [-/1 Points] DETAILS LARCALC11 12.5.019. Find the curvature K of the curve, where s is the arc length parameter. r (s) = ( 1 + V2 si+(1 - V2 si 2 2 K = Need Help? Read It Watch It 5. [-/1 Points] DETAILS LARCALC11 12.5.023. Find the curvature K of the plane curve at the given value of the parameter. r(t) = 4ti - 8tj, t = 1 K = Need Help? Read It Watch It 6. [-/1 Points] DETAILS LARCALC11 12.5.030. Find the curvature K of the curve. r(t) = 3 cos(nt)i + sin(nt)j K =7. [l1 Points] DETAILS LARCALC11 12.5.037. Find the curvature K of the curve at the point P. r(t) = Zti + 3t2j, P(2, 3) Need Help? 8. [11 Points] DETAILS LARCALC11 12.5.042.M|. Find the curvature and radius of curvature of the plane curve at the given value of X. 32 y=5x ,X=4 Need Help? _' _