Question

The sales of a new high-tech item (in thousands) are given by S(t)=105-90e^ (-0.4 t) 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?

Answer #1

please comments if you have any problem

The sales of a new high-tech item (in thousands) are given
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S(t)=101-80e-0.2t
where t represents time in years. Find the rate of change of
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