only in (a) option, coefficient of x^2 is positive. so , it opens upwards
a. p(x) =x^2+8x+12 is correct answer because if we put any value in (x) place we can get the curve upwards.
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only in (a) option, coefficient of x^2 is positive. so , it opens upwards
a. p(x) =x^2+8x+12 is correct answer because if we put any value in (x) place we can get the curve upwards.