If f(x)=(x+1)(x-2)(x-3) represents a student’s displacement from school in kilometers, where x is measured in minutes, which of the fo

Question

If f(x)=(x+1)(x-2)(x-3) represents a student’s displacement from school in
kilometers, where x is measured in minutes, which of the following is an
accurate interpretation of the student’s trip?
a) The student starts 6 km from school, walks to school and arrives at school
after 2 minutes, continues walking to the playground, turns around, walks
back to the school and arrives after 3 minutes.
b) The student starts 6 km from school, walks to school and arrives at school
after 2 minutes, waits there for 1 minute, then returns home.
c) The student starts 6 km from school, walks to school and arrives at school
after 2 minutes, turns back to their house to the playground, turns around,
walks back to the school and arrives after 3 minutes.
d) The student starts 6 km from school, walks to school and arrives 1 minute
later, sits by the school, returns home, arrives after 2 minutes, and then turns
around and arrives back at school for a second time at 3 minutes.
e) None of the above are correct
It

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MichaelMet 4 years 2021-07-26T16:04:56+00:00 1 Answers 220 views 0

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    2021-07-26T16:06:16+00:00

    A is the answer to your question

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )