Answer
$ŷ =101.2+5.48x_2+3.054x_3$
The coefficient for $x_2$: if the fat content increases by 1 g and the carbohydrate content remains constant, then the calories will increase by 5.48, on average.
The coefficient for $x_3$: if the carbohydrate content increases by 1 g and the fat content remains constant, then the calories will increase by 3.054, on average.
Work Step by Step
Given above.
