Concept explainers
To find: that how wide is archway at the ground level.
Answer to Problem 26STP
The archway is
Explanation of Solution
Given information:
From the figure it can be observed that parabola vertex is
Calculation: to find the how wide is archway at the ground level, first find the standard form of parabola,
Since, the axis of parabola is vertical then the standard form of parabola is
Since, vertex is
Thus, the equation is
Now, the point at parabola is
Now the equation of parabola is
Now, to find the wideness of archway at the ground level, substitute
Thus, The archway is
Chapter 9 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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