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Pavel [41]
3 years ago
13

If s(x) = 2 – x2 and t(x) = 3x, which value is equivalent to (s t)(-7)? A. -439 B. -141 C. 153 D. 443 please answer quick this t

est is timed!
Mathematics
1 answer:
nika2105 [10]3 years ago
3 0

We're trying to find s(t(-7)).

t(-7)=3(-7)

t(-7)=-21

s(-21)=2-(-21)^2

s(-21)=2-441

s(-21)=-439

Hope this helps.

頑張って!

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