Taylor buys bottles of nail polish that cost $3. 95 each. She has a maximum of $30 to spend on nail polish purchases. The total cost, with respect to bottles purchased, can be modeled by a function. Which statement correctly defines the domain of the function?.

For a firm that uses the weighted average method of process costing, which of the following must be true? (a) physical units can be greater than or less than equivalent units. (b) physical units must be equal to equivalent units. (c) equivalent units must be greater than or equal to physical units. (d) physical units must be greater than or equal to equivalent units.