Question

Tanya runs a catering business. Based on her records, her weekly profit can be approximated by the function, where x is the number of meals she caters. If f (x) is negative, it means that the business has lost money. What is the least number of meals that Tanya needs to cater in order to have profit?
$f(x) = {x}^{2} + 2x - 37$
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Answer 1

answer is in image attached