Which choice is not a function will Mark brainiest is for the correct answer please help me with thr questions ive asked help with very important

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

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 with 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