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27-09-2019
Mathematics

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For the functions LaTeX: u\left(t\right)=6t-7u ( t ) = 6 t − 7 and LaTeX: s\left(t\right)=t^2-4s ( t ) = t 2 − 4, what is LaTeX: s\left(u\left(2\right)\right)s ( u ( 2 ) )?

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sqdancefan sqdancefan

27-09-2019

Answer:

21

Step-by-step explanation:

Put the numbers where the letters are and evaluate.

s(u(2)) = s(6·2 -7) = s(5) = 5² -4 = 21

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