Given f(x)=∣x−1∣+∣x−2∣f(x) = |x-1| + |x-2|f(x)=∣x−1∣+∣x−2∣, which of the following describes the set of points where f(x)=1f(x) = 1f(x)=1?
x = 1.5
x \in [1, 2]
No solution
x = 1 or x = 2