The sales of a newhigh-tech item(in thousands) are given by
S(t)= 95-110e^-0.3t
where t represents time in years. Find the rate of change of sales at each time.
a.) After 1 year.
b.) After 5 years.
c.) What is happening to the rate of change of sales as time goes on?
d.) Does the rate of change of sales ever equal zero?