Question

Дана функция y(x)=2x+1/3x-4. Найдите y(x+1)

Answer 1

у(х+1)=2(х+1)+1/3 (х+1)-4=2х+2+1/3 х+1/3-4=
=2 1/3 х-1 2/3;

Answer 2

y = (2x + 1)/(3x - 4) = (2(x+  1)+1)/(3(x + 1) - 4) = 
= (2x + 2 + 1)/(3x + 3 - 4) = 
= (2x + 3) / (3x - 1)