Question

Prada buys a designer phone case for $300. The phone case is a collector's item and

triples in price every 8 years. Which function will model the value of Prada's phone case
after t years?

Answer 1

• f(t) = 300*(3)^(t/8)

Explanation:

• Initial price = $300
• Rate of increase = 3 times every 8 years
• Time = t years

Required function would be:

• f(t) = 300*(3)^(t/8)