Respuesta :
f(x)=-4x-5. Now, we know that x=-1, so we just need to replace variable x with -1. Let's do it:
f(-1)=-4(-1)-5
f(-1)=4-5
f(-1)=-1. Hope it help!
f(-1)=-4(-1)-5
f(-1)=4-5
f(-1)=-1. Hope it help!