Relax

Respuesta :

The answer is -447

= 9(3).f(3) + 3f' (3).g(3) + 3g' (3).f(3)
= 13x9 + 3x/ - 11 )x13 + 3x/ - 5 )×9
= 117 + ( - 429 ) + (- 135 )
= 117 - 135 - 429
= - 18 - 429
= -447

I hope this helped! Please give brainliest and I hope you like the explanation!