12 Basic Functions - Domain and Range
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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,∞)