The cost for a pack of 18 pens is $3.24 Find the unit price in dollars per pen. If necessary, round your answer to the nearest cent.

Each pen cost 0.18 cents

Step-by-step explanation:

3.24/18=0.18

yes

step-by-step explanation:

yes

(1, –1), (16, –4), (36, –6)

step-by-step explanation:

given that the function is

this can also be written as

we have to graph this function and check which list of points lie on the graph

see attachment for graph:

we find that the points lying are (1,-1) (16,-4) and (36,-6)

since square root is there we find that x can only be posiitve but y can be since square root both positive and negative.