Respuesta :

its just gonna be a matter of subbing (1,-5) in ur answer choices to see which one is true. Keep in mind, f(x) = y.

B. f(x) = 2x - 7
    y = 2x - 7......subbing in (1,-5)
   -5 = 2(1) - 7
  -5 = 2 - 7
  -5 = -5 (correct)

so B is ur answer
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2(1) -7 = -5 
    (1, -5 )