12 Basic Functions - Domain and Range

e^x

Exponential growth domain: (-∞,∞) range: (0,∞)

int(x)

Greatest integer domain: (-∞,∞) range: all integers

x

Identity domain: (-∞,∞) range: (-∞,∞)

ln(x)

Natural logarithmic domain: (0,∞) range: (-∞,∞)

1/x

Reciprocal domain: (-∞, 0)∪(0,∞) range: (-∞, 0)∪(0,∞)

sin(x)

Sine domain: (-∞,∞) range: [-1,1]

√x

Square root domain: [0,∞) range: [0,∞)

x^2

Squaring domain: (-∞,∞) range: [0,∞)

1/(1+e^-x)

Basic logistic domain: (-∞,∞) range: (0,1)

cos(x)

Cosine domain: (-∞,∞) range: [-1,1]

x^3

Cubing domain: (-∞,∞) range: (-∞,∞)

|x| = abs(x)

Absolute value domain: (-∞,∞) range: [0,∞)