document.write( "Question 1027572: Let f be a function such that f(0) = 2 and f'(x)<=6 for -10<=x<=10.
\n" ); document.write( "A) What is the maximum possible value of f(4)?
\n" ); document.write( "B) What is the maximum possible value of f(2)?
\n" ); document.write( "C) Can f(5) be negative? Can f(5) = 0? Why or Why not?
\n" ); document.write( "D) Can f(5) = 31? Can f(5) = 35? Why or why not?
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Algebra.Com's Answer #642801 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
A) At most,
\n" ); document.write( "\"%28f%284%29-f%280%29%29%2F%284-0%29=6\"
\n" ); document.write( "\"%28f%284%29-2%29%2F4=6\"
\n" ); document.write( "\"f%284%29-2=24\"
\n" ); document.write( "\"f%284%29=26\"
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\n" ); document.write( "B) At most,
\n" ); document.write( "\"%28f%282%29-f%280%29%29%2F%282-0%29=6\"
\n" ); document.write( "\"f%282%29-2=12\"
\n" ); document.write( "\"f%282%29=14\"
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\n" ); document.write( "C) Yes, the only limit is on the positive end. The derivative can be negative so then the value can take any value less than \"f%280%29=2\".
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\n" ); document.write( "D) \"f%285%29\" is limited just like \"f%284%29\" and \"f%282%29\" are.
\n" ); document.write( "The maximum value is,
\n" ); document.write( "\"%28f%285%29-2%29%2F%285-0%29=6\"
\n" ); document.write( "\"f%285%29-2=30\"
\n" ); document.write( "\"f%285%29=32\"
\n" ); document.write( "So, \"f%285%29%3C=32\".\r
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