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Analyze the x- and y-intercepts of each rational function. Then compare the similarities and differences.

Analyze the x- and y-intercepts of each rational function. Then compare the similarities and differences.

Answer

f(x) = (x - 6) / (x + 1)

  1. x-intercept: Set f(x) = 0: (x - 6) / (x + 1) = 0, so x = 6.
  2. y-intercept: Set x = 0: f(0) = -6 / 1 = -6.

g(x) = (x + 2) / (x - 4)

  1. x-intercept: Set g(x) = 0: (x + 2) / (x - 4) = 0, so x = -2.
  2. y-intercept: Set x = 0: g(0) = 2 / -4 = -1/2.

Comparison:

  • Both functions have different x- and y-intercepts.
  • f(x) has an x-intercept at x = 6, while g(x) has it at x = -2.
  • f(x) has a y-intercept at y = -6, while g(x) has it at y = -1/2.
  • Both functions have vertical asymptotes, f(x) at x = -1 and g(x) at x = 4.

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