Select the equivalent expression. 3^{-5}=?3 −5 =?3, start superscript, minus, 5, end superscript, equals, question mark Choose 1 Choose 1 (Choice A) A (-3)^5(−3) 5 left parenthesis, minus, 3, right parenthesis, start superscript, 5, end superscript (Choice B) B -3^5−3 5 minus, 3, start superscript, 5, end superscript (Choice C) C \dfrac{1}{3^5} 3 5 1

Find a parametrization for the curve「and determine the work done on a particle moving along γ in r3 through the force field f: r^3--r^3'where f(x,y,z) = (1,-x,z) and (a) im (γ) is the line segment from (0,0,0) to (1,2,1) (b) im (γ) is the polygonal curve with successive vertices (1,0,0), (0,1,1), and (2,2,2) (c) im (γ) is the unit circle in the plane z = 1 with center (0,0,1) beginning and ending at (1,0,1), and starting towards (0,1,1)