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

Mathematics

1 answer:

erica [24]2 months ago

4 0

Answer:

Step-by-step explanation:

t(-7)= 3(-7)= -21

s(-21)= 2-(-21)= 2 + 21= 23

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