Find the Value of the First- Order Derivative of the Function

question 5

Multiple Choice

Find the value of the first- order derivative of the function
$y = 3 \sqrt { x } - \frac { 81 } { x } + 13$ when x = 9.

• A)1
• B)1.5
• C)- 0.5
• D)0
• E)0.5

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