Hurry its timed and its 20 points (-2,160) (-1,40) (0,10) (1,2.5) is this set of ordered pairs satisfy an exponential function?

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)

How does percent markup and percent discount relate to percent of change?

Anumberis divided by 6. then 8 is added to the q