The Point $P(4,2)$ Lies on the Curve $y=\sqrt{x}$ If Is the Point Q

question 58

Multiple Choice

The point $P(4,2)$ 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 PQ (correct to six decimal places) for the value $x=3.89 .$

• A) \(-0.128743\)
• B) \(-0.251743\)
• C) \(0.461743\)
• D) \(-0.391743\)
• E) \(0.251743\)

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