For each of the following limits, determine if L'Hopitals Rule is appropriate to use. If so, use it to evaluate the limit, possibly using it more than once.
a. limx->0(x^2/1-cosx)
b. limx->0+(1/x - 1/(e^x-1)

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false