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

If s(x) = 2 - x^2 and t(x) = 3x, which value iS equivalent to (s°f)(-7)?
asked 87.5k views
5 votes
If s(x) = 2 - x^2 and t(x) = 3x, which value iS equivalent to (s°f)(-7)?

asked
User Datageist
by
8.2k points

1 Answer

5 votes

Answer:

Explanation:

(s∘t)(-7) = s(t(-7))

= s(3(-7))

= s(-21)

= 2 - (-21)²

= -439

answered
User Arwen
by
7.5k points
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