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Graphing y = 3y*log(y)-(1/36)*exp(-(36y-(36/e))^4)

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The graph:

from to

Intersection points:

does show?

Piecewise:

The solution

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                                 4
                      /       36\ 
                     -|36*y - --| 
                      \       E / 
                    e             
f(y) = 3*y*log(y) - --------------
                          36      
$$f{\left(y \right)} = 3 y \log{\left(y \right)} - \frac{e^{- \left(36 y - \frac{36}{e}\right)^{4}}}{36}$$
f = (3*y)*log(y) - exp(-(36*y - 36*exp(-1))^4)/36
The graph of the function
The points of intersection with the Y axis coordinate
The graph crosses Y axis when y equals 0:
substitute y = 0 to (3*y)*log(y) - exp(-(36*y - 36*exp(-1))^4)/36.
$$0 \cdot 3 \log{\left(0 \right)} - \frac{1}{36 e^{\left(- \frac{36}{e} + 0 \cdot 36\right)^{4}}}$$
The result:
$$f{\left(0 \right)} = \text{NaN}$$
- the solutions of the equation d'not exist
Horizontal asymptotes
Let’s find horizontal asymptotes with help of the limits of this function at y->+oo and y->-oo
$$\lim_{y \to -\infty}\left(3 y \log{\left(y \right)} - \frac{e^{- \left(36 y - \frac{36}{e}\right)^{4}}}{36}\right) = -\infty$$
Let's take the limit
so,
horizontal asymptote on the left doesn’t exist
$$\lim_{y \to \infty}\left(3 y \log{\left(y \right)} - \frac{e^{- \left(36 y - \frac{36}{e}\right)^{4}}}{36}\right) = \infty$$
Let's take the limit
so,
horizontal asymptote on the right doesn’t exist
Inclined asymptotes
Inclined asymptote can be found by calculating the limit of (3*y)*log(y) - exp(-(36*y - 36*exp(-1))^4)/36, divided by y at y->+oo and y ->-oo
$$\lim_{y \to -\infty}\left(\frac{3 y \log{\left(y \right)} - \frac{e^{- \left(36 y - \frac{36}{e}\right)^{4}}}{36}}{y}\right) = \infty$$
Let's take the limit
so,
inclined asymptote on the left doesn’t exist
$$\lim_{y \to \infty}\left(\frac{3 y \log{\left(y \right)} - \frac{e^{- \left(36 y - \frac{36}{e}\right)^{4}}}{36}}{y}\right) = \infty$$
Let's take the limit
so,
inclined asymptote on the right doesn’t exist
Even and odd functions
Let's check, whether the function even or odd by using relations f = f(-y) и f = -f(-y).
So, check:
$$3 y \log{\left(y \right)} - \frac{e^{- \left(36 y - \frac{36}{e}\right)^{4}}}{36} = - 3 y \log{\left(- y \right)} - \frac{e^{- \left(- 36 y - \frac{36}{e}\right)^{4}}}{36}$$
- No
$$3 y \log{\left(y \right)} - \frac{e^{- \left(36 y - \frac{36}{e}\right)^{4}}}{36} = 3 y \log{\left(- y \right)} + \frac{e^{- \left(- 36 y - \frac{36}{e}\right)^{4}}}{36}$$
- No
so, the function
not is
neither even, nor odd