Respuesta :

sqdancefan

Answer:

  Y = X^2 -4X +9

Step-by-step explanation:

It is convenient to write T in terms of X.

  X = T +2

  T = X -2

Then this can be substituted into the equation for Y.

  Y = T^2 +5

  Y = (X -2)^2 +5 = X^2 -4X +4 +5

  Y = X^2 -4X +9