Kalkulator Grafik Fungsi

Plot semua fungsi matematika f(x) dan jelajahi secara visual dengan zoom, geser, dan koordinat hover interaktif.

๐Ÿ“ˆ Function Graph
๐Ÿ“ˆ
Enter a function and click "Plot Graph"
to see the visualization.

Coba contoh ini

Parabola
f(x) = xยฒ - 4
Basic quadratic function
Sinusoidal
f(x) = sin(x)
Sine wave
Cubic
f(x) = xยณ - 3x
Cubic with two turning points
Rational
f(x) = 1/x
Hyperbola with asymptote
๐Ÿ“š What is a Function Graph?

Understanding Function Graphs

A function graph is a visual representation of a mathematical function. For every input value x, the function f(x) produces an output y, and the graph shows all these (x, y) pairs as a curve or line.

Function graphs help you understand:

  • Domain โ€” which x values are valid inputs
  • Range โ€” which y values the function can output
  • Zeros/Roots โ€” where the curve crosses the x-axis (f(x) = 0)
  • Maximum & Minimum โ€” the highest and lowest points
  • Increasing/Decreasing โ€” where the function goes up or down
y = f(x) โ†’ For each x, there is exactly one y
โ“ FAQ

Frequently Asked Questions

Use the caret (^) symbol. For example, xยฒ is written as x^2, and xยณ as x^3.
Use the asterisk (*). For example, 3 times x is written as 3*x. Implicit multiplication like 3x may also work for simple cases.
You can use standard math functions: sin(x), cos(x), tan(x), sqrt(x), abs(x), log(x), exp(x), constants like pi and e.
Some functions have discontinuities (like 1/x near zero) or undefined regions. These appear as gaps in the graph, which is mathematically correct behavior.