Question 213817
f(x) = 5/{x-2}
.
f(5) = 5/{ (5) -2} = 5/3 = 1.67,,,,,  subst  5  for  x
.
f(-3) = 5 / { (-3) -2} = 5/ (-5) = -1 ,,,,,,subst (-3)  for  x
.