If you are driving on a road that is too narrow to allow traffic to pass in both directions and has limited visibility either due to blind curves or increment weather, you must do which of the following? a) give audible warning with the motor vehicles horn upon approaching any curve where the view is obstructed within a distance of 500 feet along the highway. b) give audible warning with the motor vehicles horn upon approaching any curve where the view is obstructed within a distance of 400 feet along the highway. c) give audible warning with the motor vehicles horn upon approaching any curve where the view is obstructed within a distance of 300 feet along the highway. d) give audible warning with the motor vehicles horn upon approaching any curve where the view is obstructed within a distance of 200 feet along the highway. e) all of the above