Anyone can help me with this pls?

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)

Math i have no idea how to do a and b

Describe how to translate the graph of y=/x to obtain the graph of y=/x+5