Question 641973
f(x)=2x^3 - 6x + 1


f(2)=2(2)^3 - 6(2) + 1


f(2)=2(8) - 6(2) + 1


f(2)=16 - 12 + 1


f(2)=4 + 1


f(2)=<font color="red">5</font>


So you have the correct answer (assuming there isn't a typo anywhere in the book)