Answer:
13
Step-by-step explanation:
[tex]s(x) = 3x + 5 \\ t(x) = - x + 3 \\ \\ \implies t(s(x)) = - (3x + 5) + 3 \\ \\\implies t(s(x)) = - 3x - 5 + 3 \\ \\\implies t(s(x)) = - 3x - 2 \\ \\ \implies t(s( - 5)) = - 3( - 5) - 2 = 15 - 2\\\\\implies t(s( - 5))= 13[/tex]
