GCSE Maths Practice: functions

Question 1 of 10

This question practices evaluating cubic functions f(x) = x³ - 2x² - 4x at a negative input.

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\( \text{Find the value of } f(-2) \text{ for the function } f(x) = x^3 - 2x^2 - 4x. \)

Choose one option:

Check powers, multiplication, and addition carefully.

Substitute x = -2 and carefully compute each term.