Răspunsuri

2014-05-24T12:50:22+03:00
F(1)=2x1-3=-1
f(2)=2x2-3=1
f(3)=2x3-3=3
f(4)=2x4-3=5
f(5)=2x5-3=7

f(1)+f(2)+f(3)+f(4)+f(5)= -1+1+3+5+7=15
2014-05-24T12:50:57+03:00
F(x)=2x-3
f(1)=2-3=-1
f(2)=4-3=1
f(3)=6-3=3
f(4)=8-3=5
f(5)=10-3-7
-1+1+3+5+7=15