Question

F(x)=x+2 com d={1,2,3,4,5} determine o conjunto imagem

Answer 1

f(1)= 1+2 = 3
f(2)= 2+2= 4
f(3)= 3+2= 5
f(4)= 4+2= 6
f(5)= 5+2= 7

portanto:

I= {3,4,5,6,7}