A point $P$ on a number line satisfies the condition that the distance from $P$ to 1 plus the distance from $P$ to 4 equals 4. How many such points $P$ are there? (1) 0 (2) 1 (3) 2 (4) 3 (5) Infinitely many
A point $P$ on a number line satisfies the condition that the distance from $P$ to 1 plus the distance from $P$ to 4 equals 4. How many such points $P$ are there?\\
(1) 0\\
(2) 1\\
(3) 2\\
(4) 3\\
(5) Infinitely many