Determine the domain of the function. f (x) is equal to four divided by x squared.

A. x ≥ 0

B. All real numbers except 0

C. All real numbers except 3

D. All real numbers

Answers (1)
  1. Hagen
    F (x) = 4/x^2

    Think what values of x give real values of f (x)

    negative numbers are Ok andso are positive ones

    What about x = 0? What is the value of 4 / (0) ^2?
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