B) x = y^2 because it fails the vertical line test making it not a function
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Answer:
4 pages per hour
Step-by-step explanation:
We want to find the pages per hour
Take the pages and divide by the hours
7
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1 3/4
Change to an improper fraction
7
-----
7/4
Multiply the top and bottom by 4/7
7*4/7
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7/4 *4/7
4
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1
He can write 4 pages per hour
6.2^2 + b^2 = 8.7^2
38.44 + b^2 = 75.69
b^2 = 37.25
b ≈ 6.1