What is the value on the underlined number 5 on 526

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

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

How can i differentiate this equation?