If s(x) = 2 - x2 and t(x) = 3x, which value is equivalent to s(t(-7))?

1.	If s(x) = 2 - x2 and t(x) = 3x, which value is equivalent to s(t(-7))?
Answer» If s(x) = 2 - x² and t(x) = 3x, which value is equivalent to s(t(-7))? Solution:

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