Yes it is a function
Y=x(x-1)
X(x-1)
X to the 2nd power -1x
Hope that’s helps
The answer will be A. 471/11. Hope it help!
Apologies if it’s dark but here’s the work for your question. If you need an explanation, let me know.
About how many pages.....estimate : 70 + 80 = 150
actual : 72 + 83 = 70 + 80 + 5 = 155