Question

1- Dada a função definida por:


F(X) = 2x² - 1 , Calcule:


(a) F $(\frac{-1}{2} )$

Answer 1

f(-1/2) = 2 (-1/2)^2 - 1

f(-1/2) = 2. 1/4 - 1

f(-1/2) = 1/2 - 1

f(-1/2) = -1/2