Question

se f (x)=2x-1; então f (0)+f(-1)+f (1/2) e igual a:

Answer 1

F(x)=2x-1
f(0)+f(-1)+f(1/2)

F(0)=2*0-1
F(0)=-1

F(-1)=2*(-1)-1
F(-1)= -2-1
F(-1)= -3

F(1/2)=2*(1/2)-1
F(1/2)=1-1
F(1/2)=0

(-1)+(-3)= -4