Given the quadratic function f⁡(x)=3⁢(x−1)⁢(x−5) , what are the zeroes of the function?

To find the zeroes, set f(x) = 0: 3(x − 1)(x − 5) = 0. Since 3 is not zero, either x − 1 = 0 or x − 5 = 0, giving x = 1 and x = 5. The correct choice is 1 and 5.

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