Answer
Answer Choice $\boxed A$
Work Step by Step
We can justify if the answer choices are correct or wrong.
Answer Choice $A$ is correct for all real numbers.
Answer Choice $B$ doesn't work for the point $(4,29)$.
Answer Choice $C$ doesn't work for the point $(4,29)$.
Answer Choice $D$ doesn't work for the point $(1,-1)$.
Answer $\boxed A$ is correct.
