Marking brainliest yayay

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)

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.

Rewrite the polynomial -9x5 + 36x4 + 189x3 in factored form.