Question 11
What is the minimum of $\sqrt{1+x^{2}}$+$\sqrt{1+(3-x)^{2}}$?
Original printed choices: A) 1 + $\sqrt{10}$; B) 2$\sqrt{1 + 9/4}$; C) $\sqrt{13}$; D) $\sqrt{2}$ + $\sqrt{5}$; E) 5
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) 1 + $\sqrt{10}$; B) 2$\sqrt{1 + 9/4}$; C) $\sqrt{13}$; D) $\sqrt{2}$ + $\sqrt{5}$; E) 5
Editorial task: Resolve the missing assumption or inconsistent choices. Derive the valid literal conclusion and distinguish it from the source’s intended answer.