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January 25, 2015

January 25, 2015

Posted by **kelly** on Tuesday, September 10, 2013 at 10:42pm.

A) Express the distance from P to the point (1,2) as a function of x. Simplify completely.

B) Use your calculator to determine which value of x-yields the smallest d.

- Pre-calc -
**Steve**, Wednesday, September 11, 2013 at 2:23pmd = √[(x-1)^2 + (y-2)^2]

= √[(x-1)^2 + (x^2-3-2)^2]

= √(x^2-2x+1 + x^4-10x^2+25)

= √(x^4-9x^2-2x+26)

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