Can someone look at the photo and answer 49 for me ?

P=-g means that if p=-3 then g=+3 if p=π, then g=-π
bsically, if p is x units away from 0, G is x unit from zero on the other side of zero

lets see our options
A. P is 3 units away from 0 and G is 3 units on other side. correct

B. P is  3 units awy from zero and G is 0 units, not correct

C. P is 4 units away and G is 3 units, not correct

D. P is 0 units and G is 3 unit

answer is A