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

User DCuser
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1 Answer

27 votes
27 votes

Answer:

Explanation:

(s∘t)(-7) = s(t(-7))

= s(3(-7))

= s(-21)

= 2 - (-21)²

= -439

User CreatoR
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