Question

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

Answer 1

f(1/3)= -3.1/3 + 1 = -3/3 +1 = -1 +1 = 0 

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Answer 2

$f(x) = -3x + 1$

$f (\frac{1}{3} ) = -3 \frac{1}{3} + 1$

$f (\frac{1}{3} ) = -1 + 1 = 0$