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24-03-2021
Mathematics

contestada

If s(x) = 2 - x^2 and t(x) = 3x, which value iS equivalent to (s°f)(-7)?

Respuesta :

25-03-2021

Answer:

Step-by-step explanation:

(s∘t)(-7) = s(t(-7))

= s(3(-7))

= s(-21)

= 2 - (-21)²

= -439

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