Question

Find the value of the polynomial q(x) = 3x^3– 4x + √8 at x = 2.
its a 1 marker, plz help if can

Answer 1

$q(2) = 16 - \sqrt{8}$

Answer 2

3(2)^3-4(2)+√8

3(8)-8+√8

16+√8

=18.8284271