Question

A computer sells for $900 and loses 30% of its value per year Write a function that gives the computer's value, V(t) t years after it is sold.

Answer 1

Answer: V(t) = 900 (0.7)^t

Explanation:For every passing year the value remains 70% of its original value.

So,

after 1 year value will be = 900 X 0.7

After 2 year value will= 900 X 0.7 X 0.7

And so on

So after t year we can say value will be = 900 (0.7)^t