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range of parabola is the range of valid y values!!

y ≥ 2

??

Did you find any value of x for which f(x) is undefined?

yes

think again!!

all real numbers

Yes.. so, since the term containing x is squared.
f(x) retains a minimum of 2

hence, y has a restriction on real numbers as well!!

so what is that you say now on range of y??

so the answer is all real numbers?

guyss which is the answer!!!!!!!!!!!!!!

Yes.. y>=2 is right

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