Respuesta :

apologiabiology
hmm, seems to multiply by 5
wait, no

first is multiply by 5
2nd is multiply by 10
3rd is multiply by 15
4th is multiply by 20
seems to be

[tex]f(x)=x(5x)[/tex] or [tex]f(x)=5x^2[/tex]
the rule is square the input then multiply by 5