Question

Dada a função f(x): -x²+x+2, determine f(-2) e f(3).

Answer 1

A
$f( - 2) = - {( -2)}^{2} + ( - 2) + 2 \\ f( - 2) = - 4 - 2 + 2 \\ f( - 2) = - 4$

B
$f(3) = - ( {3}^{2} ) + 3 + 2 \\ f(3) = - 9 + 5 \\ f(3) = - 4$