Respuesta :
The statement which must be true about D, the discriminant of function h is D =0 hence, option (D) must be correct.
What is the discriminant of function?
When working with quadratic equations, the discriminant is commonly calculated to investigate the kind of roots. Even though it is difficult to ascertain a discriminant for any polynomial, there exist methods for collecting the discriminant of cubic and quadratic equations that reduce our approach.
The discriminant function gives us an idea about the nature of the solution whether it is real or not if real then how much will be the solution?
If D > 0 then there will be 2 real solutions.
If D = 0 then there will be 1 real solution.
If D < 0 then there will be 2 imaginary solutions.
Given that function, h has an interception it means there will be a real solution. Hence, D = 0 will be the correct answer.
For more information about the discriminant function
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