$\text { Determine all values of } x \text {, (if any), at which the graph of the function has a }$

question 74

Multiple Choice

$\text { Determine all values of } x \text {, (if any) , at which the graph of the function has a }$ horizontal tangent.
$y ( x ) = \frac { 9 } { x - 6 }$

• A) \(x = 9\) and \(x = - 6\)
• B) \(x = 9\)
• C) \(x = 9\) and \(x = 6\)
• D) \(x = 6\)
• E) The graph has no horizontal tangents.

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