Help bestie ill give brainiest

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

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.