a.
To draw:
A graph for each relation given by ordered pairs (age, mass). Draw both graphs is the same coordinate plane, and use a different color for each graph.
a.
Answer to Problem 26E
Our required graph would look like:
Explanation of Solution
Given:
The brown-headed cow bird does not raise its own offspring. It lays eggs in nests of other bird species, which then hatch the eggs and raise the young. A scientist investigated whether the growth of a young cowbird is affected by the species of bird that raises it. The scientist’s results for two bird species are shown below:
Calculation:
We will use red color for data about cowbird raised by red-eyed Vireo and blue color for data about cowbird raised by blue-gray Gnatcatcher.
Upon graphing our given data, we will get our required graph as shown below:
b.
To compare:
The graphs from part (a). How is a cowbird’s growth when raised by a red-eyed vireo like its growth when raised by a blue-grey gnatcatcher? How is its growth different?
b.
Answer to Problem 26E
Initially the growth of a cowbird raised by blue-grey gnatcatcher is greater than the growth of a cowbird raised by red-eyed vireo.
Explanation of Solution
Given:
The brown-headed cow bird does not raise its own offspring. It lays eggs in nests of other bird species, which then hatch the eggs and raise the young. A scientist investigated whether the growth of a young cowbird is affected by the species of bird that raises it. The scientist’s results for two bird species are shown below:
Calculation:
We can see from the graph that for two days the growth of a cowbird raised by blue-grey gnatcatcher is likethe growth of a cowbird raised by red-eyed vireo.
After 4 days the growth of a cowbird raised by red-eyed vireois greater than the growth of a cowbird raised by blue-grey gnatcatcher.
Chapter 8 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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