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wytchnia
21.02.2020 •
Mathematics
Functions f(x) and g(x) are defined below.
f(x)= 2/x+3 +1,
g(x)= -|x+3|
Determine where f(x)=g(x) by graphing
A: -4
B: -2
C: -1
D: 4
Solved
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Ответ:
Option A: -4
Step-by-step explanation:
we have
Solve the system by graphing
Remember that the solution is the intersection point both graphs
using a graphing tool
The solution is (-4,-1)
see the attached figure
so
The solution of f(x)=g(x)
Is equal to the x-coordinate of the intersection point both graphs
therefore
The solution is x=-4
Ответ:
So dinner was 2 hours rounded up.