Describe circumstances where you would add exponents and when you would multiply exponents.

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)

Can someone answer this question? : )

Which of the following is true for the relation f(x)=2x^2+1