Question

The value of the polynomial 2x _3 - 4 at = 2 is

Answer 1

Step-by-step explanation:

Given polynomial

$let \: \: f(x) = 2 {x}^{3} - 4 \\ \\ at \: x = 2 \\ \\ f(2) = 2( {2}^{3} ) - 4 \\ = 2 \times 8 - 4 \\ = 16 - 4 \\ = 12...ans$