Question

Plz help with questions number 1 and 2

Answer 1

question 1=12

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

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\\\\`