Answer:
At a given departmental store's 5th year , the price of all small appliances is being sold at a clearance price of $4.2. How much was spent by by a shopper who purchased x number of clearance appliances.
Explanation:
The scenario described below can be modeled as :
y = 4.2x
The equation bove may be used to represent a cost function, where,
y = total cost ; unit cost = 4.2
Number of items purchased.
If, 10 clearance electronics is purchased ;
Total cost, y = 4.2(10)
y = $42