Mathematics
28.02.2022 00:18
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Plz help with questions number 1 and 2

Plz help with questions number 1 and 2
Plz help with questions number 1 and 2
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karatsgrande9125
karatsgrande9125
4,7(38 marks)

question 1=12

question 2= 3|-2x^2-4|-4

Step-by-step explanation:

question 1

u(t)=7t-2\\\\s(t)=t^{2}-9 \\\\s(u(2))=?\\\\u(2)=7(2)-2=14-2=12\\\\u(2)=12\\\\s(12)=(12)^2-9=144-9=135\\\\s(u(2))=135

question 2

f(x)=3|x+1|-4\\\\g(x)=-2x^2-5\\\\f(g(x))=?\\\\g(x)=-2x^2-5\\\\f(-2x^2-5)=3|(-2x^2-5)+1|-4\\\\f(g(x))=3|-2x^2-5+1|-4\\\\f(g(x))=3|-2x^2-4|-4\\\\

jolayemihazeez97
jolayemihazeez97
4,9(12 marks)

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