Which set is a function? A:{(0,3), (3,0), (0,4), (4,0)}
B:{(0,2), (2,0), (4,6), (6,4)}
C:{(2,6), (3,6), (4,6), (2,0)}
D:{(6,2), (2,0), (4,6), (6,4)}

nlgqer

step-by-step

first, you divide the triangle in two, tô form a retangle triangle. after, using pythagoream theorem:

18^2 = 14^2 + (x/2)^2

(x^2/4) + 196 = 324

x^2/4 = 324 - 196

x^2/4 = 128

x^2 = 512

x = √512

x = √2^9

x = 16√2 cm

i hope i you.

my dear correct answer is option number 3