Mister exam

# Curve tracing functions Step by Step

Function f()

from to

does show?

#### Enter:

{ piecewise-defined function here

### What studies?

• The domain of the function. It can only determine the points at which the denominator of the function equal to zero
• It can determine the intersection points of the function graph with the coordinate axes
• Extremes of the function: intervals (segments) of increasing and decreasing of the function, as well as local (or relative) and global (or absolute) minima and maxima of the function
• Inflection points of the function graph: inflection points: intervals of convexity, concavity (convexity)
• Vertical asymptotes: the domain of the function definition, the points where the denominator of the function equal to zero
• The horizontal asymptote of the graph of the function
• The oblique asymptote of the graph of a function
• Even and odd functions

The above examples also contain:

• the modulus or absolute value: absolute(x) or |x|
• square roots sqrt(x),
cubic roots cbrt(x)
• trigonometric functions:
sinus sin(x), cosine cos(x), tangent tan(x), cotangent ctan(x)
• exponential functions and exponents exp(x)
• inverse trigonometric functions:
arcsine asin(x), arccosine acos(x), arctangent atan(x), arccotangent acot(x)
• natural logarithms ln(x),
decimal logarithms log(x)
• hyperbolic functions:
hyperbolic sine sh(x), hyperbolic cosine ch(x), hyperbolic tangent and cotangent tanh(x), ctanh(x)
• inverse hyperbolic functions:
hyperbolic arcsine asinh(x), hyperbolic arccosinus acosh(x), hyperbolic arctangent atanh(x), hyperbolic arccotangent acoth(x)
• other trigonometry and hyperbolic functions:
secant sec(x), cosecant csc(x), arcsecant asec(x), arccosecant acsc(x), hyperbolic secant sech(x), hyperbolic cosecant csch(x), hyperbolic arcsecant asech(x), hyperbolic arccosecant acsch(x)
• rounding functions:
round down floor(x), round up ceiling(x)
• the sign of a number:
sign(x)
• for probability theory:
the error function erf(x) (integral of probability), Laplace function laplace(x)
• Factorial of x:
x! or factorial(x)
• Gamma function gamma(x)
• Lambert's function LambertW(x)

#### The insertion rules

The following operations can be performed

2*x
- multiplication
3/x
- division
x^2
- squaring
x^3
- cubing
x^5
- raising to the power
x + 7
x - 6
- subtraction
Real numbers
insert as 7.5, no 7,5

#### Constants

pi
- number Pi
e
- the base of natural logarithm
i
- complex number
oo
- symbol of infinity
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