Question

Dada a função f(x) = 3x² + 5x - 2 determine:A) f(-2)B) f(0)

Answer 1

a)

$3 \times {( - 2)}^{2} + 5 \times ( - 2) - 2 \\ 3 \times 4 - 10 - 2 \\ 12 - 12 = 0$

b)

$3 \times {0}^{2} + 5 \times 0 - 2 \\ 3 \times 0 + 0 - 2 \\ - 2$