GCSE Maths Practice: functions

Question 13 of 13

This question practices evaluating quadratic functions f(x) = x² - 4 at x = 2.

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\( \text{If } f(x) = x^2 - 4, \text{ find the value of } f(2). \)

Choose one option:

Check squaring and subtraction carefully.

Substitute x = 2 and compute f(2).