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potatocow
15.07.2019 •
Mathematics
Which of the following graphs is described by the function given below? y = 2x 2 + 6x + 3
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Ответ:
The graph in the attached figure
Step-by-step explanation:
we have
This is the equation of a vertical parabola open up
The vertex is a minimum
Convert to vertex form
Complete squares
Factor the leading coefficient
Rewrite as perfect squares
The vertex is the point (-1.5,-1.5)
Find the zeros of the function
For y=0
square root both sides
Find the y-intercept
For x=0
The y-intercept is the point (0,3)
therefore
The graph in the attached figure
Ответ:
11.82 km
Step-by-step explanation:
Hi! All u have to do is 6.37 km x 5.45 km which is (look at answer part)
Hope this helped :D
UwU