Tanya runs a catering business. based on her records, her weekly profit can be approximated by the function latex: f\left(x\right)=2x^2-44x-150 f ( x ) = 2 x 2 − 44 x − 150 , where latex: x x is the number of meals she caters. if latex: f(x) f ( x ) is negative, it means that the business has lost money. what is the number of meals that tanya needs to cater in order to break-even?