Question

20 балов
помогите пожалуйста!​

Answer 1

Ответ:

g(4)= 4/10-2.8=0.4-2.8= -2.4

Answer 2

$\displaystyle\bf\\g(y)=\dfrac{y}{10} -2,8\\\\\displaystyle\bf\\g(4)=\dfrac{4}{10} -2,8=0,4-2,8=-2,4\\\\\displaystyle\bf\\g(4)=\boxed{-2,4}$