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Unformatted text preview: from the plane to the radar station is increasing wtren it is b miles awayfrom the radar station. (12 points) Evaluate the following integrals ,) I: v'y'riav al [ #*c2(!) ar "),[i ffi^. : 7. (12 points) Evaluate the following limits: n, lr4ffi c) tim (tn t)tan(*) d) tim r* t + l + ' . z ' ' f i   l * )" (8 points) Find 7, ntthe following curves a) Y3 : tt * 2x2y * 3 as a function ofx and y (byusing implicit di:fferentiation) and b) r  e  sec20, U:2tan20 asafunctionoftne pammeter0. (8 points) The top and bottom margins of a rectangular poster arc 2 i,nches and the side margins are 1 in'ch.If the area of the printed *utrtiuf on the poster ( in the shape of a rectangle) is fixed at I28irrches2 find the dimensions (engthanO width) of the poster with the smallest area Show that the area of the poster iia minimum. 4. 5. b) lim (I _ tt ' Uo \Y srnYl 8. 9....
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 Spring '05
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 Derivative

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