Polynomial Functions

Linear, quadratic, and higher-degree polynomials

Quadratic Function

f(x) = ax² + bx + c

Parabola-shaped curve behind projectile motion and optimization

阅读指南

Linear Function

f(x) = mx + b

Constant rate of change — the foundation of all mathematics

阅读指南

也提供以下语言版本:

Quadratic:EN 한국어 日本語

Linear:EN 한국어 日本語

Exponential & Logarithmic

Growth, decay, and their inverse

Exponential Function

f(x) = a · bˣ

Explosive growth or rapid decay — compound interest and population

阅读指南

Logarithmic Function

f(x) = log_b(x)

The inverse of exponential — decibels, earthquakes, and pH

阅读指南

也提供以下语言版本:

Exponential:EN 한국어 日本語

Logarithmic:EN 한국어 日本語

Trigonometric Functions

Periodic waves and oscillations

Sine Function

f(x) = A·sin(Bx + C) + D

Wave-shaped oscillation modeling sound, light, and tides

阅读指南

Cosine Function

f(x) = A·cos(Bx + C) + D

The wave that starts at its peak — twin of sine for signal analysis

阅读指南

Tangent Function

f(x) = tan(x)

The slope-measuring trig function with periodic asymptotes

阅读指南

也提供以下语言版本:

Sine:EN 한국어 日本語

Cosine:EN 한국어 日本語

Tangent:EN 한국어 日本語

Special Functions

Absolute value, roots, and rational forms

Absolute Value Function

f(x) = |x|

V-shaped function measuring distance from zero

阅读指南

Square Root Function

f(x) = √x

Gentle curve rising from zero — inverse of squaring

阅读指南

Rational Function

f(x) = 1/x

Hyperbola with asymptotes — models inverse relationships

阅读指南

也提供以下语言版本:

Absolute:EN 한국어 日本語

Square:EN 한국어 日本語

Rational:EN 한국어 日本語

数学函数
教程库

Polynomial Functions

Quadratic Function

Linear Function

Exponential & Logarithmic

Exponential Function

Logarithmic Function

Trigonometric Functions

Sine Function

Cosine Function

Tangent Function

Special Functions

Absolute Value Function

Square Root Function

Rational Function

所有函数指南 — 快速索引

准备好可视化这些函数了吗?