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  • Identical expressions

  • (x - four)/(x + one)
  • (x minus 4) divide by (x plus 1)
  • (x minus four) divide by (x plus one)
  • x - 4/x + 1
  • (x - 4) divide by (x + 1)
  • Similar expressions

  • (x + 4)/(x + 1)
  • (x - 4)/(x - 1)

Derivative of (x - 4)/(x + 1)

Function f() - derivative -N order at the point
v

The graph:

from to

Piecewise: