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Q69Section I (Objective (Q1–Q80))69 of 80

Numerical Analysis — inverse interpolation using divided differences

Consider the following values of x and f(x):

| x | 1 | 6 | 9 | 11 | |—|—|—|—|—| | f(x) | 12 | 13 | 14 | 16 |

The approximate value of x for which f(x)=15f(x) = 15 is

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