8. the following is a topographic map with level curves for the height function hx, y) of a region around granite peak in the absaroka-beartooth wilderness all units in feet): 1960 1909 you may assume the z-axis points east and the y-axis points north. (a) (1 credit ) at which location(s) is the vector drawn pointing in the in the direction of the gradient of h? you may choose more than one answer opoq oros (b) (1 credit ) at which location(s) is the vector drawn pointing in the direction of maximum rate of increase? you may choose more than one grst. op oor os (c) (1 credit at which location(s) is the vector drawn pointing in the direction u such that duh(location) = 0 you may choose more than one answer opoq oros (d) (1 credit ) identify the segment(s) for which < 0 and > 0. you may choose more than one answer. o a obc od