Question

sendo P(X)=3Xelevado a 4 - 5Xelevado a 3-2X+12 calcule P(3)

Answer 1

$P(X) = 3x^4 - 5x^3 - 2x + 12 \\ \\ P(3) = 3(3)^4 - 5(3)^3 - 2(3) + 12 \\ \\ P(3) = 3.81 - 5.27 - 2.3 + 12 \\ \\ P(3) = 243 - 135 - 6 + 12 \\ \\ P(3) = 114$