I hope this helps you
Two points are shown on the number line. Which value is best represented by the point F? 
1 answer:
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we know that
the equation
describe a vertical parabola with vertex at point
if -------> the parabola open Up and the vertex is a minimum
if -------> the parabola open Down and the vertex is a maximum
in this problem we have
---> because is positive (given problem)
so
The vertex is a minimum
therefore
<u>the answer is the option C</u>
Up
If the sides are close together, its acute.
