Milan's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Milan $5.10 per pound, and type B coffee costs $4.05 per pound. This month's blend used four times as many pounds of type B coffee as type A, for a total cost of $489.90. How many pounds of type A coffee were used?
Number of pounds of type A coffee:

(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.

i think it would be c

mark brainliest if im right

step-by-step explanation: