External module "lib/question/depreciate"

questionDepreciate

• questionDepreciate(points: number, depreciation: number): number

• Performs depreciation of question points. When a user gets a question wrong we want the points to reduce to encourage them to get the questions correct.

  Parameters

  • points: number

    the current points available for the question in the interval, ℝ+

  • depreciation: number

    the points to subtract, or, the multiplier to reduce the points by. The depreciation is used as a multiplier in the interval [0, 1) and a delta in the interval (1, +∞)

  Returns number

  the depreciated points in the interval [0, +∞)