Answer:
The answer is -3*5-4= -15-4=-19. So given f(x)=5 then x=-19.
Explanation:
So basically when it says f(5) that means we need to plug in x=5 into the equation -3x-4. So lets solve, -3*5-4=-19. I hope this helps if you need any clarfication please comment. Please dont tell me you are cheating on a quiz/test/assestment. Cheating does not help you by the way!