Question

if f(x)=2x^3 - 3x + 4 find f (x) + f (-x) ​

Answer 1

Answer:

$f(x) = {2x}^{3} - 3x + 4 \\ so \\ f( - x) = {2( - x)}^{3} - 3( - x) + 4 \\ = { - 2x}^{3 } + 3x + 4 \\ therefore \: f(x) + f( - x) = 8$

Answer 2

Answer:

this is correct....................