Question

f(x)=5x+2 de dominio D= {1,2,3,4} determine o cunjunto imagem dessa funca

Answer 1

f (x)=5x+2
f (1)=5.1+2
f (1)=5+2
f (1)=7

f(x)=5x+2
f(2)=5.2+2
=10+2
=12

f(x)=5x+2
f(3)=5.3+2
=15+2
=17

f(x)=5x+2
f(4)=5.4+2
=20+2
=22