Consider the line y=9 x -1 and the point P=(2,0). (a) Write the formula for a function d(x) that describes the distance between the point P and a point (x,y) on the line. You final answer should only involve the variable x. Then d(x) = (b) d'(x)= (c) The critical number is x= (d) The closest point on the line to P is (

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Chapter3: Polynomial Functions
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Consider the line y=9 x -1 and the point P=(2,0).
(a) Write the formula for a function d(x) that describes the distance between the point P and a point (x,y) on the line. You final answer should only involve the variable x. Then d(x) =
(b) d'(x)=
(c) The critical number is x=
(d) The closest point on the line to P is (
Transcribed Image Text:Consider the line y=9 x -1 and the point P=(2,0). (a) Write the formula for a function d(x) that describes the distance between the point P and a point (x,y) on the line. You final answer should only involve the variable x. Then d(x) = (b) d'(x)= (c) The critical number is x= (d) The closest point on the line to P is (
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