Question

Como resolver f(x)=(-1/3)^2-3*(-1/3)+4 ?

Answer 1

f(-1/3)=(-1/3)^2 -3*(-1/3) +4

f(-1/3)= 1/9 +1+4

f(-1/3)= 5 +1/9 = 5•9+1/9 = 46/9