If the inequality a ≥ X & # 178; - 6x is [0,1] constant for any x, then the value range of the number a is

If the inequality a ≥ X & # 178; - 6x is [0,1] constant for any x, then the value range of the number a is

x^2-6x=x(x-6)
When x belongs to [0,1], the range of x ^ 2-6x is [- 5,0], so the value range of a is a > = 0