document.write( "Question 477474: The number of people who are sick t days after the outbreak of a flu epidemic is given byn the equation p=-t^(2)+100t+25. What is the maximum number of people sick during the outbreak? \n" ); document.write( "
Algebra.Com's Answer #327251 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( "p=-t^(2)+100t+25 where t the number of days after the outbreak
\n" ); document.write( "What is the maximum number of people sick during the outbreak?
\n" ); document.write( "Using the vertex form of a parabola, \"y=a%28x-h%29%5E2+%2Bk\" where(h,k) is the vertex
\n" ); document.write( "p=-t^(2)+100t+25
\n" ); document.write( "p=-(t^(2)-100t)+25
\n" ); document.write( "p=-[(t-50)^2 - 2500] + 25
\n" ); document.write( "p = -(t-50)^2 + 2525 Vertex is Pt(50,2525)
\n" ); document.write( "|Parabola opening downward : a = -1 < 0
\n" ); document.write( " 2525 is the maximum number of people sick during the outbreak
\n" ); document.write( "(which occurs 50 days after the outbreak) \n" ); document.write( "
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