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What is the domain of this quadratic function?\newliney=x2−8x+16y = x^2 - 8x + 16\newlineChoices:\newline(A){x∣x≥4}\{x | x \geq 4\}\newline(B){x∣x≤4}\{x | x \leq 4\}\newline(C){x∣x≥0}\{x | x \geq 0\}\newline(D)all real numbers

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Q. What is the domain of this quadratic function?\newliney=x2−8x+16y = x^2 - 8x + 16\newlineChoices:\newline(A){x∣x≥4}\{x | x \geq 4\}\newline(B){x∣x≤4}\{x | x \leq 4\}\newline(C){x∣x≥0}\{x | x \geq 0\}\newline(D)all real numbers
  1. Quadratic Function Domain: The domain of a function refers to the set of all possible input values ( extit{x}-values) for which the function is defined. For any quadratic function in the form y=ax2+bx+cy = ax^2 + bx + c, where aa, bb, and cc are real numbers, the domain is always all real numbers because you can plug any real number into the function and get a real number out.
  2. Explanation: Since the function y=x2−8x+16y = x^2 - 8x + 16 is a quadratic function and there are no restrictions on the xx-values (such as square roots or denominators that could be zero), the domain is all real numbers.

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