Question

1) Dada a função f (x) = 2x-3, determine f(-1).​

Answer 1

$\sf     f(x) = 2x - 3 \\ \\ \sf     f( - 1) = 2 \cdot - 1 - 3 \\ \\\sf     f( - 1) = - 2 - 3 \\ \\ \sf     {\color{red}f( - 1) = - 5}$

Att: Nerd1990