GCSE Maths Practice: functions

Question 8 of 13

This question practices evaluating linear functions f(x) = 5 - x at x = 3.

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\( \text{Given the function } f(x) = 5 - x, \text{ find the value of } f(3). \)

Choose one option:

Check subtraction carefully.

Substitute x = 3 and compute f(3).