Mister Exam
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- The intersection points of functions
-
How to use it?
- Graphing y =:
-
|x^2-x-2|
- -x²+6x-5
- x^2-8x
- x^2+3x
- Integral of d{x}:
-
-1/(2*sqrt(x))
-
Identical expressions
- - one /(two *sqrt(x))
- minus 1 divide by (2 multiply by square root of (x))
- minus one divide by (two multiply by square root of (x))
- -1/(2*√(x))
- -1/(2sqrt(x))
- -1/2sqrtx
- -1 divide by (2*sqrt(x))
-
Similar expressions
- -1/(2*sqrt(x)*(sqrt(x)+1)*log(sqrt(x)+1)^2)
- 1/(2*sqrt(x))
- 1/(sqrt(x)-sqrt(x-1))*(1/(2*sqrt(x))-1/(2*sqrt(x-1)))
- f=-(1/2sqrt(x-3))
- (x-1)/(2*sqrt(x))
Graphing y = -1/(2*sqrt(x))
The solution
You have entered
[src]
-1
f(x) = -------
___
2*\/ x
$$f{\left(x \right)} = - \frac{1}{2 \sqrt{x}}$$
f = -1/(2*sqrt(x))
The graph of the function
The domain of the function
The points at which the function is not precisely defined:
$$x_{1} = 0$$
$$x_{1} = 0$$
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:
$$- \frac{1}{2 \sqrt{x}} = 0$$
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:
$$- \frac{1}{2 \sqrt{x}} = 0$$
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
$$\frac{1}{4 x^{\frac{3}{2}}} = 0$$
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
$$\frac{1}{4 x^{\frac{3}{2}}} = 0$$
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
$$- \frac{3}{8 x^{\frac{5}{2}}} = 0$$
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
$$- \frac{3}{8 x^{\frac{5}{2}}} = 0$$
Solve this equation
Solutions are not found,
maybe, the function has no inflections
Vertical asymptotes
Have:
$$x_{1} = 0$$
$$x_{1} = 0$$
Horizontal asymptotes
Let’s find horizontal asymptotes with help of the limits of this function at x->+oo and x->-oo
$$\lim_{x \to -\infty}\left(- \frac{1}{2 \sqrt{x}}\right) = 0$$
Let's take the limit
so,
equation of the horizontal asymptote on the left:
$$y = 0$$
$$\lim_{x \to \infty}\left(- \frac{1}{2 \sqrt{x}}\right) = 0$$
Let's take the limit
so,
equation of the horizontal asymptote on the right:
$$y = 0$$
$$\lim_{x \to -\infty}\left(- \frac{1}{2 \sqrt{x}}\right) = 0$$
Let's take the limit
so,
equation of the horizontal asymptote on the left:
$$y = 0$$
$$\lim_{x \to \infty}\left(- \frac{1}{2 \sqrt{x}}\right) = 0$$
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 -1/(2*sqrt(x)), divided by x at x->+oo and x ->-oo
$$\lim_{x \to -\infty}\left(- \frac{\frac{1}{2} \frac{1}{\sqrt{x}}}{x}\right) = 0$$
Let's take the limit
so,
inclined coincides with the horizontal asymptote on the right
$$\lim_{x \to \infty}\left(- \frac{\frac{1}{2} \frac{1}{\sqrt{x}}}{x}\right) = 0$$
Let's take the limit
so,
inclined coincides with the horizontal asymptote on the left
$$\lim_{x \to -\infty}\left(- \frac{\frac{1}{2} \frac{1}{\sqrt{x}}}{x}\right) = 0$$
Let's take the limit
so,
inclined coincides with the horizontal asymptote on the right
$$\lim_{x \to \infty}\left(- \frac{\frac{1}{2} \frac{1}{\sqrt{x}}}{x}\right) = 0$$
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:
$$- \frac{1}{2 \sqrt{x}} = - \frac{1}{2 \sqrt{- x}}$$
- No
$$- \frac{1}{2 \sqrt{x}} = \frac{1}{2 \sqrt{- x}}$$
- No
so, the function
not is
neither even, nor odd
So, check:
$$- \frac{1}{2 \sqrt{x}} = - \frac{1}{2 \sqrt{- x}}$$
- No
$$- \frac{1}{2 \sqrt{x}} = \frac{1}{2 \sqrt{- x}}$$
- No
so, the function
not is
neither even, nor odd