Let `f(x) = x^2-4x + c` wyhere c is a real constant, then which of the following is NOT true

Let f (x) =x ^(2) -4x +c AA x in R, where c is a real constant, then which of the following is/are true ?

Let f (x) =x ^(2) -4x +c AA x in R, where c is a real constant, then which of the following is/are true ?

Let f(x) = |x-2|, where x is a real number. Which one of the following is true?

Let f (x) = | x - 2| where x is real number. Which one of the following is true ? a) f is periodic b) f (x + y ) = f (x) + f (y) c)f is not one-one function d)f is an even function

Let f (x) =ax ^(2) + bx+ c,a gt = and f (2-x) =f (2+x) AA x in R and f (x) =0 has 2 distinct real roots, then which of the following is true ?

Let f (x) =ax ^(2) + bx+ c,a gt = and f (2-x) =f (2+x) AA x in R and f (x) =0 has 2 distinct real roots, then which of the following is true ?

If f(x)=x^(2)+bx+c and f(2+t)=f(2-t) for all real number t, then which of the following is true?

Let h(x)="min "{x,x^(2)} for every real number of x. Then, which one of the following is true?