Question

Dada a função f(x)=-3x+5, calcule: a) 1/3

Answer 1

f(1/3)= -3*(1/3)+5  =-1+5=4


ou se for

-3x+5=1/3

-3x=1/3-5

-3x=1/3-15/3=-14/3

-3x=-14/3

-x=14/9

x=-14/9