Question

Dadas as funções f(x)=3x-1/2 e g(x)=2x/5 +1, determine o valor de f(1/3) -g(-2).

Answer 1

f(1/3) = 3(1/3) - 1/2 = 1 - 1/2 = 1/2 
g(-2) = 2(-2)/5 +1 ⇒ -4/5 +1 = 1/5

1/2 - (1/5)
1/2 - 1/5
5/10 - 2/10
3/10