If the point (2, -5) lies on the graph of f(x), then which of the following points must lie on the graph of the function given below? =(1/2x)+10

a)(1,-5)
b)(4,5)
c)(4,-15)
d)(2,0)

The slope of cd is which segments are perpendicular to cd ? select each correct answer. gf , where g is at (6, 5)and fis at (10, 2) ef, where e is at (4, 1) and f is at (7,5) lm , where lis at (-2, 3) and m is at (-10, 9) jk , where jis at (1, -2) and k is at (10, – 14) next