Mister Exam
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-
How to use it?
- Graphing y =:
- 2x^3-12x^2+18x
-
x+3
- x^3+2x
- y=7x-10/7x^2-10x
-
Identical expressions
- log1/3x
- logarithm of 1 divide by 3x
- log1 divide by 3x
-
Similar expressions
- log(1/3)*(x+1)
- log(1/3)(x+2)
- log(1)/3*x
- log1/3*(x+3)-1
- log1/3(x+3)
Graphing y = log1/3x
The solution
You have entered
[src]
log(1)
f(x) = ------*x
3
$$f{\left(x \right)} = x \frac{\log{\left(1 \right)}}{3}$$
f = x*(log(1)/3)
The graph of the function
The points of intersection with the X-axis coordinate
Graph of the function intersects the axis X at f = 0
so we need to solve the equation:
$$x \frac{\log{\left(1 \right)}}{3} = 0$$
Solve this equation
Solution is not found,
it's possible that the graph doesn't intersect the axis X
so we need to solve the equation:
$$x \frac{\log{\left(1 \right)}}{3} = 0$$
Solve this equation
Solution is not found,
it's possible that the graph doesn't intersect the axis X
Extrema of the function
In order to find the extrema, we need to solve the equation
$$\frac{d}{d x} f{\left(x \right)} = 0$$
(the derivative equals zero),
and the roots of this equation are the extrema of this function:
$$\frac{d}{d x} f{\left(x \right)} = $$
the first derivative
$$\frac{\log{\left(1 \right)}}{3} = 0$$
Solve this equation
Solutions are not found,
function may have no extrema
$$\frac{d}{d x} f{\left(x \right)} = 0$$
(the derivative equals zero),
and the roots of this equation are the extrema of this function:
$$\frac{d}{d x} f{\left(x \right)} = $$
the first derivative
$$\frac{\log{\left(1 \right)}}{3} = 0$$
Solve this equation
Solutions are not found,
function may have no extrema
Inflection points
Let's find the inflection points, we'll need to solve the equation for this
$$\frac{d^{2}}{d x^{2}} f{\left(x \right)} = 0$$
(the second derivative equals zero),
the roots of this equation will be the inflection points for the specified function graph:
$$\frac{d^{2}}{d x^{2}} f{\left(x \right)} = $$
the second derivative
$$0 = 0$$
Solve this equation
Solutions are not found,
maybe, the function has no inflections
$$\frac{d^{2}}{d x^{2}} f{\left(x \right)} = 0$$
(the second derivative equals zero),
the roots of this equation will be the inflection points for the specified function graph:
$$\frac{d^{2}}{d x^{2}} f{\left(x \right)} = $$
the second derivative
$$0 = 0$$
Solve this equation
Solutions are not found,
maybe, the function has no inflections
Horizontal asymptotes
Let’s find horizontal asymptotes with help of the limits of this function at x->+oo and x->-oo
$$\lim_{x \to -\infty}\left(x \frac{\log{\left(1 \right)}}{3}\right) = 0$$
Let's take the limit
so,
equation of the horizontal asymptote on the left:
$$y = 0$$
$$\lim_{x \to \infty}\left(x \frac{\log{\left(1 \right)}}{3}\right) = 0$$
Let's take the limit
so,
equation of the horizontal asymptote on the right:
$$y = 0$$
$$\lim_{x \to -\infty}\left(x \frac{\log{\left(1 \right)}}{3}\right) = 0$$
Let's take the limit
so,
equation of the horizontal asymptote on the left:
$$y = 0$$
$$\lim_{x \to \infty}\left(x \frac{\log{\left(1 \right)}}{3}\right) = 0$$
Let's take the limit
so,
equation of the horizontal asymptote on the right:
$$y = 0$$
Inclined asymptotes
Inclined asymptote can be found by calculating the limit of (log(1)/3)*x, divided by x at x->+oo and x ->-oo
$$\lim_{x \to -\infty}\left(\frac{\log{\left(1 \right)}}{3}\right) = 0$$
Let's take the limit
so,
inclined coincides with the horizontal asymptote on the right
$$\lim_{x \to \infty}\left(\frac{\log{\left(1 \right)}}{3}\right) = 0$$
Let's take the limit
so,
inclined coincides with the horizontal asymptote on the left
$$\lim_{x \to -\infty}\left(\frac{\log{\left(1 \right)}}{3}\right) = 0$$
Let's take the limit
so,
inclined coincides with the horizontal asymptote on the right
$$\lim_{x \to \infty}\left(\frac{\log{\left(1 \right)}}{3}\right) = 0$$
Let's take the limit
so,
inclined coincides with the horizontal asymptote on the left
Even and odd functions
Let's check, whether the function even or odd by using relations f = f(-x) и f = -f(-x).
So, check:
$$x \frac{\log{\left(1 \right)}}{3} = - \frac{x \log{\left(1 \right)}}{3}$$
- No
$$x \frac{\log{\left(1 \right)}}{3} = \frac{x \log{\left(1 \right)}}{3}$$
- No
so, the function
not is
neither even, nor odd
So, check:
$$x \frac{\log{\left(1 \right)}}{3} = - \frac{x \log{\left(1 \right)}}{3}$$
- No
$$x \frac{\log{\left(1 \right)}}{3} = \frac{x \log{\left(1 \right)}}{3}$$
- No
so, the function
not is
neither even, nor odd