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22 February, 08:09

If f (x) = [x] - 2 + 8, what is f (-1.8) ? 4 6 10 12

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  1. 22 February, 08:18
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    F (x) = [x] - 2 + 8

    [x] is the notation for 'greatest integer function'

    f (-1.8) = [-1.8] - 2 + 8 = - 2 - 2 + 8 = 4

    The answer is 4
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