Which statement best describes how to determine whether f(x) = x3 + 5x + 1 is an even function?

For each expression use a property to write an equivalent expression.

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.

This is different from the first one can someone me