| Exam Board | SPS |
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| Module | SPS SM Pure (SPS SM Pure) |
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| Year | 2023 |
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| Session | September |
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| Topic | Quadratic Functions |
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11. It is given that
$$f ( x ) = x ^ { 2 } - k x + ( k + 3 ) ,$$
where \(k\) is a constant.
If the equation \(f ( x ) = 0\) has real roots find the range of the possible values of \(k\).
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