What is the cost for 1.4lb item that is $1.58 per pound?

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)

Someone answer this check out the image!

For what value of (y) is 3^3/3^y =1/9