Respuesta :

Answer:

y = x² + x - 11

Step-by-step explanation:

note that (f - g)(x) = f(x) - g(x)

f(x) - g(x)

= x² - 9 - (2 - x) ← distribute by - 1

= x² - 9 - 2 + x ← collect like terms

= x² + x - 11

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