On the number line below, P represents a number. What is the value of the opposite of that number?
A number line from negative 4 to positive 4 in increments of 1 over 4, with all whole numbers alone labeled is shown. Put point P at the third tick mark to the right of 0.
A negative 3 over 4
B negative 1 over 4
C 3 over 4
D 1 and 2 over 4 please help i am not good at this