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Arisa [49]
3 years ago
12

The cost to install a certain kind of floor tile is $20 per square foot. The total cost to install in an x-foot-by-x-foot room i

s f(x)=20x^2.
What is a reasonable domain?
How much for an 8-foot-by-8-foot?
Mathematics
1 answer:
melomori [17]3 years ago
3 0

Answer:

x > 0; $1280

Step-by-step explanation:

Domain should be x > 0 because length is not negative

When x = 8

Cost = 20(8²) = 1280

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