GCSE Maths Practice: functions

Question 2 of 10

This question practices evaluating cubic functions f(x) = x³ + 2x - 1.

\( \text{Find the value of } f(1) \text{ for the function } f(x) = x^3 + 2x - 1. \)

Choose one option:

Check powers, multiplication, and addition carefully.

Substitute x = 1 and compute each term carefully.