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The equation y= -5.131x^2 +31.821x -3.333 approximates the number of people standing in line to catch a commuter train x hours after 5 a.m. What is the best estimate for the num…

The equation y= -5.131x^2 +31.821x -3.333 approximates the number of people standing in line to catch a commuter train x hours after 5 a.m. What is the best estimate for the num…
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1 vote
The equation y= -5.131x^2 +31.821x -3.333 approximates the number of people standing in line to catch a commuter train x hours after 5 a.m.

What is the best estimate for the number of people in line at 8 a.m?
A. 77
B. 46
C. 40
D. 32

asked
User Tyniqua
by
8.3k points

2 Answers

1 vote

Answer:

The answer is 42!!! I just took test.


Explanation:


answered
User Norio Yamamoto
by
8.6k points
6 votes
B. 46 Replacing x with 3 (= 8-5) gives -5.131*3^2 +31.821*3 -3.333 = 45,951
answered
User Adithya Upadhya
by
8.1k points
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