I'm a 6th grader please help with this inequality math question!
I provided a screenshot

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done