Question

Consideram functia f:R => R f(x) = 2x+1.
Calculati suma S= f(-2) + f(1) + f (0) + f(1) + f(2)

Answer 1

Sper ca te-am ajutat :) 

Answer 2

f(-2)=2×(-2)+1=-4+1=-3 f(1)=2× 1+1=3 f(0)=2×0+1=1 f(2)=2×2+1=4+1=5 S=-3+3+1+3+5=9