The Fax Mailer bought a fax machine for $$ \$ 600 $$. The fax machine depreciates at a rate of $$ \$ 20 $$ a month. (a) Find a function $$ F $$ that can be used to determine the value of the fax machine $$ t $$ months after purchase. Complete the model below. $$ F(t)=\square $$

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To model the value of the fax machine over time, we'll use a linear depreciation function.

- **Initial Value:** The fax machine was purchased for \$600. This is the value at $$ t = 0 $$.
- **Depreciation Rate:** The machine loses \$20 in value each month.

The function $$ F(t) $$ representing the value of the fax machine $$ t $$ months after purchase is:

$$
F(t) = 600 - 20t
$$

**Complete Model:**
$$
F(t) = 600 - 20t
$$
$$ F(t) = 600 - 20t $$

The Fax Mailer bought a fax machine for \( \$ 600 \). The fax machine depreciates at a rate of \( \$ 20 \) a month. (a) Find a function \( F \) that can be used to determine the value of the fax machine \( t \) months after purchase. Complete the model below. \( F(t)=\square \)

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