Answer:
Step-by-step explanation:
Given

Here, two functions are given that is
and 
Check for the intersection of the graph of two curves
From the graph, they cut at two different points i.e. 
Rest two roots are negative.
Answer:
To find the unit price, we divide the total cost by the number of items.
$3.90 ÷ 3 = $1.30
That means the unit price is $1.30 for each sponge.