What is the image of (-1,-6) after a reflection over the y-axis?

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How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?