Respuesta :

To find the value of f(x) when x = 3 in the function f(x) = 6x, you simply substitute x = 3 into the function and solve for f(x):

f(x) = 6x

f(3) = 6 * 3

f(3) = 18

Therefore, the value of f(x) when x = 3 is 18.

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