Пусть f(x)=-2x+3 . Найдите f(x+5)

Question

Пусть f(x)=-2x+3 . Найдите f(x+5)

Answer 1

2х + 3 =(\) 0

2х =(\) -3
f(x+5) = - 3 : (2+5)

 

Answer 2

f(х+5)=(-2+5)х+3+5

f(х+5)=3х+8