abc123xyz999
abc123xyz999 abc123xyz999
  • 22-12-2018
  • Mathematics
contestada

If the domain of f (x ) = 4 +x2 is {-1, 0, 1, 2}, what is the range?

Respuesta :

tramserran
tramserran tramserran
  • 22-12-2018

Answer: y = {5, 4, 8}

Step-by-step explanation:

f(x) = 4 + x²

f(-1) = 4 + (-1)²

      = 4 + 1

      = 5

f(0) = 4 + (0)²

      = 4 + 0

      = 4

f(1) = 4 + (1)²

      = 4 + 1

      = 5

f(2) = 4 + (2)²

      = 4 + 4

      = 8


Answer Link
gmany
gmany gmany
  • 23-12-2018

Put the values from domain to the equation of the function.

f(x) = 4 + x²

f(-1) = 4 + (-1)² = 4 + 1 = 5

f(0) = 4 + 0² = 4 + 0 = 4

f(1) = 4 + 1² = 4 + 1 = 5

f(2) = 4 + 2² = 4 + 4 = 8

Answer: The range = {4, 5, 8}

Answer Link

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