Where is an absolute value function not differentiable?

Wilma worker has a $90,000 insurance policy for which she pays $1,200 a year. to compare the cash value of the policy to investing the same amount of money at 6%, she performs the following calculations:

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

Find the pattern and use it to list the nth term in the sequence. 6, 12, 20, 30, 42, 56, the nth term of the sequence is