Please help ASAP. im going to fail if its not completed. please

Astudent simplified a rational expression as shown.

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

Is a positive integer raised to a negative power always positive