Question

plss answer any one properly and fastly too... with step by explanation
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Answer 1

Answer:

this answer is a= 0

I think so this would be the correct answer

Answer 2

Answer:

a=0

Step-by-step explanation:

ax²+bx+c=y

x²+b/ax+c/a=y/a

x²+2 b/2ax+(b/2a)²=y/a+(b/2a)²

x²=y

so x=f(x). &y=f(y)