Solve: x2−6x+8≤0x^2 - 6x + 8 \leq 0x2−6x+8≤0
2≤x≤42 \leq x \leq 42≤x≤4
x≤2x \leq 2x≤2 or x≥4x \geq 4x≥4
2<x<42 < x < 42<x<4
No solution