Question

Na função f(x) = 2^x - x, o valor de f(f(0)) + f(f(1)) + f(f(2)) + f(f(3)) é...?

Answer 1

f(0) = 1; f(f(0)) = f(1) = 1
f(1) = 1; f(f(1)) = f(1) = 1
f(2) = 2; f(f(2)) = f(2) = 2
f(3) = 5; f(f(3)) = f(5) = 32 - 5 = 27
f(f(0)) + f(f(1)) + f(f(2)) + f(f(3)) = f(1)+f(1)+f(2)+f(5) = 1+1+2+27 = 30

Answer 2

F(0)=1-0=1
F(1)=2-1=1
F(2)=4-2=2
F(3)=8-3=5

F(1)=1
F(1)=1
F(2)=2
F(5)= 32-5
F(5)=27

1+1+2+27=31
ALTERNATIVA D