GCSE Maths Practice: functions

Question 6 of 13

This question practices evaluating linear functions f(x) = 3x - 1 for a given x.

\( \text{Given the function } f(x) = 3x - 1, \text{ find the value of } f(3). \)

Choose one option:

Check multiplication and subtraction carefully.

Substitute the given x into f(x) and perform the arithmetic to find the output.