$\text { Find an equation of the line that is tangent to the graph of the function } f ( x ) = \frac { 7 } { \sqrt { x } }$

question 144

Multiple Choice

$\text { Find an equation of the line that is tangent to the graph of the function } f ( x ) = \frac { 7 } { \sqrt { x } }$ and parallel to the line $7 x + 2 y - 18 = 0$ .

• A) \(7 x + y + 21 = 0\)
• B) \(9 x + y - 18 = 0\)
• C) \(9 x + 2 y + 9 = 0\)
• D) \(7 x + 2 y - 21 = 0\)
• E) \(7 x + 2 y - 14 = 0\)

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