Question

f: R->R, f(x)=x+1. Calculati f(1)+ f(2)​

Answer 1

Răspuns:

5

Explicație pas cu pas:

f: R->R, f(x)=x+1

f(1)=1+1=2 =>f(1)=2

f(2)=2+1=3 =>f(2)=3

f(1)+f(2)=2+3=5