PLEASE HELP ME NOW IM FAILING I WILL GIVE EXTRA POINTS

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)

Arace is 10 kilometers long.markers will be placed at the beginning and end of the race course and at each 500 meter mark.how many markers are needed to mark the course for the race?