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6 January, 13:57

Luke is keeping track of the total number of hours he exercise. he started the summer having already put in 15 hours and he than exercise 7 hours each week. the function to keep track of his exercise is f (x) = 7x+15. what do the f (x) and x represents in Luke's situation

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  1. 6 January, 13:59
    0
    X probably stands for number of days I think
  2. 6 January, 14:22
    0
    The number of weeks so if hes done 3 weeks it would be 21hours+15hours
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