What is the scale factor from the originals try and go to its copy?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Find the nonpermissible replacement for binthis expression.b2/5b +5

20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1