Precal 101?
The function d(p)= 1200-200p gives the weekly demand for video rentals at Joes videolog when Joe charges p dollars to rent a video. WHat does d^-1(50) mean in terms of the problem.............usually im ok at story problems but the whole d6-1(50) is trippin me up...thanks guys
Update:whoops not d6 i meant d^-1(50)
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a function to the negative 1 power means the inverse of the function. So they are asking you what number of dollars are needed for 50 videos. That is, to solve the equation
50 = 1200 - 200p