The total amount of flour in a bakery after receiving new stock equal to 3/10 of its current stock (x)

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Ineed to know the answer to this algebra question.

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3