The Point $P ( 16,4 )$ Lies on the Curve $y = \sqrt { x }$

question 34

Multiple Choice

The point $P ( 16,4 )$ lies on the curve $y = \sqrt { x }$ . If is the point $Q ( x , \sqrt { x } )$ , use your calculator to find the slope of the secant line $P Q$ (correct to six decimal places) for the value $x = 3.89$ .

• A) \(m _ { P Q } = - 0.044439\)
• B) \(m _ { P Q } = - 0.167439\)
• C) \(m _ { P Q } = - 0.307439\)
• D) \(m _ { P Q } = 0.377439\)
• E) \(m _ { P Q } = 0.167439\)

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