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This picture is filming in Shanghai， and the function is made of the roof of three houses.
Positive leading coefficient
Even degree
Three turning points

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The picture shows one of parts of my bed, the function is a five times function
Positive leading coefficient
Odd degree
Two turning point
Zero: (0,2.4)

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The picture is a cat I got on the side of the road, and its ear and the contours of the top of the head are a four times function.

The graph:

—Negative leading coefficient

—Even degree

—Three turning points

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The picture which I took is when I travelled to Yixing, Jiangsu Province. I rode bycicle in the mountains and saw lots of great views.
The graph:
-Negative leading coefficient
-Even degree
-Three turning points

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The graph of a cubic function    Stanley 

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The graph of a cubic function    Stanley 

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This picture of my little cat that is sleeping on the chart, and the cat’s spine can form the cubic function.

The graph of function：

-Negative leading coefficient

-Odd degree

-Two turning points

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It is a picture of our school which is taken in a snowy day. Two trees in the picture can form a quartic function.
Characteristics of the function are:
- negative leading coefficient
- even degree
- three turning points

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It is the view of the Changjiang River which is taken by myself several months before and I took this phone near my home. The general shape of the tree beside the Changjiang River like a polynomial graph.

From negative infinity to -3.987 the graph keeps increasing.
From -3.987 to 0.287 the graph keeps decreasing.
From 0.287 to 1.718 the graph keeps increasing again.
Finally from 1.718 to positive infinity the graph keeps decreasing.
It has a negative leading coefficient, 2 zeros, a maximum at (-3.987,6.168) and 3 turning points

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It is a picture of a section of Shanghai Disneyland, and the top of the whole building can form the cubic function.
Characteristics of the function are：

-negative leading coefficient
-odd degree
-two turning points

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I used the picture of cherry to graph a quartic function. The graph is formed by its top.
The characteristics of the graph:
-negative leading coefficient
-even degree
-three turning points

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The character is from a famous mobile game, he is called Mac polo

I will introduce this graph

Q3. I paste this picture in desmos, so you can clearly see this

Q4.there have a x-axis and a y-axis, a grid is a unit length

Q5 the range of decrease is from negative infinity to- 0.76

There is no increase part.

When x is negative infinity, y is positive infinity

When x is positive infinity, y is negative infinity.

Zero is (-0.484, 0)

Max (-2.362,7.9)

Min  (1.7, -8.4)

There are two tuning points(-0.76, 0.169)      (0, 0.4)

Q6. The equation is on the picture.

Q7. I check the graph when x=0.484 y=0

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This is the photo of handsome Thor and Kerwin, and was took on the sports day. I am very sorry to use their amazing photo to do my work. The image of their arms form the image of a cubic function.
Characteristics of the image.
- a positive leading coefficient.
- odd degree.
- two turning points.

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This picture indicates a shape of heart which made by two pages.
It has even degree, a negative leading coefficient and three turning points.

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- the biggest roller coaster in WONDERLAND🎢       

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- the biggest roller coaster in WONDERLAND🎢       

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- a negative leading coefficient
- even degree
- one turning point🤒

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This picture illustrates a crazy roller coaster which gives a shape of a quartic polynomial function. It has a positive leading coefficient, even degree , and three turning points. Schrodinger likes this roller coaster very much!

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This picture illustrates a crazy roller coaster which gives a shape of a quartic polynomial function. It has a positive leading coefficient, even degree , and three turning points. Schrodinger likes this roller coaster very much!

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The picture shows the people and dolphin are contacting very closely. Probably they are kissing each other. I took this picture in Dalian Sun Asia Ocean World' s exhibition . It is a even degree function with positive coefficient. Hopefully we can try our best to protect the animals

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The picture is taken at the ChangZhou park. This is included a six degree function.
The characteristics of the graph:
-negative leading coefficient
-even degree
-five turning points

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Even degree &Positive leading coefficient