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1-79.

A new car purchased for $\27,000$ loses $15\%$ of its value each year.

1. What is the multiplier?

The multiplier is a decimal representing the remaining value of the car after it loses $15$ percent of its original value.

2. Write a function of the form $f(t)=ab^t$ that represents the situation.

Substitute the initial value and the multiplier to create the function.

3. At the current rate, what will be the value of the car in five years?

Substitute $5$ for $t$ in the function you created in part (b).

$\11,980$