Concept explainers
a.
To find: The name of waterfall that drops water from the highest point.
a.
Answer to Problem 38E
Waterfall 1
Explanation of Solution
Given information:
The paths of water from three waterfalls are given below:
Waterfall 1
Waterfall 2
Waterfall 3
Here, h gives the height (in feet) and d represents the horizontal distance (in feet) of the water.
First graph the three given functions by plotting the points as given in the tables below:
The required graph is:
From the above graph it is clear that, the waterfall which drops water from the highest point is waterfall 1.
b.
To find:The name ofwaterfall that follows the narrowest path.
b.
Answer to Problem 38E
Waterfall 2
Explanation of Solution
Given information:
The paths of water from three waterfalls are given below:
Waterfall 1
Waterfall 2
Waterfall 3
Here, h gives the height (in feet) and d represents the horizontal distance (in feet) of the water.
Calculation:
From part (a), the graph representing the above three functions is:
From the above graph it is clear that, the waterfall which follows the narrowest path is the waterfall 2.
c.
To find:The name of waterfall that sends water the farthest.
c.
Answer to Problem 38E
Waterfall 3
Explanation of Solution
Given information:
The paths of water from three waterfalls are given below:
Waterfall 1
Waterfall 2
Waterfall 3
Here, h gives the height (in feet) and d represents the horizontal distance (in feet) of the water.
Calculation:
From part (a), the graph representing the above three functions is:
From the above graph it is clear that, the waterfall which sends water the farthest. is the waterfall 3.
Chapter 8 Solutions
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