Asked by j

9. The Horizontal Line Test is used to determine whether the graph represents a one-to-one function.Which explanation best describes how the HLT is used?(1 point)A. The HLT shows each x-value has only one y-value.B. The HLT shows no vertical line touches the graph more than once.C. The HLT shows no horizontal line touches the graph more than once.D. The HLT shows the graph is not continuous.

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Answered by GPT-5 mini AI
C. The HLT shows no horizontal line touches the graph more than once — meaning each y-value comes from at most one x-value (so the function is one-to-one).