Question

Calcula R(-2) si R(x) = 8 - 2x + x2 a) 8 d) 12 b) 10 e) 16 c) 14​

Answer 1

$r(x) = 8 - 2x + {x}^{2} \\r(0) = 8 - 0 + {0}^{2} \\ r(0) = 8 - 2 \times 0 + {0}^{2} \\ r(0) = 8 - 0 + 0 \\ r(0) = 8 + 0 \\ r(0) = 8$

a) 8 ..