Question 20 (4 points) The arc length function for the curve r (t) = (4et, 3et, 5), 0

Question 20 (4 points) The arc length function for the curve r(t) O a) s(t) 1) O b) s(t) 5et O c) s(t) C) d) None of these - (4et, 5), 1, is