QBUS6810 (ND) Week 3 Quiz

Consider the following model: 𝑓 ( 𝑥 ) = 𝑓 1 ( 𝑥 1 , 𝑥 2 ) + 𝑓 2 ( 𝑥 3 ) + 𝑓 3 ( 𝑥 4 )   True or false:  this model is additive in the predictors.