Question

Determine o f(1) na função f(x)= 2x² + x – 2​

Answer 1

Oie, Td Bom?!

$f(x) = 2x {}^{2} + x - 2⇐x = 1$

$f(1) = 2 \: . \: 1 {}^{2} + 1 - 2$

$f(1) = 2 \: . \: 1 + 1 - 2$

$f(1) = 2 + 1 - 2$

$f(1) = 1$

Att. Makaveli1996