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Question

The local Blockbuster Video bought a combination of new-release movies and classic movies on Blu Ray, new-releases cost $20 and classics cost $8. If x represents new-releases and y the classics. Write out the equation for this problem and then graph it. (include at least 2 points) Is this graph continuous or discrete?

Answer 1

Cost = C = 20x + 8y

graph is a straight line

with x intercept = C/20

y intercept = C/8

plot those two points (C/20, 0) and (0, C/8)

connect them with a line segment