El doble de la altura de un fresno en 3m mas alto que un pino de 5 m ¿Cuanto mide el fresno?

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)

How do i do this activity, is appreciated

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)