Exponential Question

1) The average price of a home in Spartanville was $146,000 in 2014, however home prices have been falling by 2% per year.

a) Identify the independent and dependent variables.

b) Write a formula that models this information.

c) How much will the average home be worth in 2018?

d) If this trend continues, when will the average home be worth $110,000?

So I alredy did a-c (a. independent variable is the years since 2014 and the dependent was the amount of money the house cost) (b. y=146000(.98)^t) (c. y=146000(.98)^4= $134,665.75) However I don’t know how to answer the last question. Thanks

 
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