Question

dada a função afim f(x)=2x+3, determine a) f(f(1/3))

Answer 1

f(x)=2x+3, determine a) f(f(1/3)) = 31/3

f(1/3)  = 2(1/3)+3 = 2/3+3 ==> (2+9)/3 ==> 11/3

f(11/3)  = 2(11/3)+3 = 22/3+3 ==> (22+9)/3 ==> 31/3