What is 12/16 equivalent to?

What is the equation of the graph below? y=sec(x)-4

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.

When is g(x) = 0 for the function g(x) = 5.23x + 4?