Question 2
For integers x, y, z, what is the minimum of $\sqrt{x^{2}+1}$+$\sqrt{(x-y)^{2}+4}$+$\sqrt{(y-z)^{2}+1}$+$\sqrt{(z-10)^{2}+9}$?
Original printed choices: A) 7; B) 13; C) 4 + $\sqrt{109}$; D) $\sqrt{149}$; E) $\sqrt{125}$
Editorial task: Resolve the missing assumption or inconsistent choices. Derive the valid literal conclusion and distinguish it from the source’s intended answer.
Original printed choices: A) 7; B) 13; C) 4 + $\sqrt{109}$; D) $\sqrt{149}$; E) $\sqrt{125}$
Editorial task: Resolve the missing assumption or inconsistent choices. Derive the valid literal conclusion and distinguish it from the source’s intended answer.