document.write( "Question 829905: This review has a few steps. I understand most. But \"e\" I'm not to sure on. Please help. \r
\n" ); document.write( "\n" ); document.write( "Let f(x)= x^2-4x and g(x)= sqrt x+4 Find each of the following:\r
\n" ); document.write( "\n" ); document.write( "a) The domain of f ------ I get that
\n" ); document.write( "b) The Domain of g ------- I get that
\n" ); document.write( "c) f(-2),f(0) ,f(4), g(0), g(8), g(6) ---- I understand this.
\n" ); document.write( "d) f(x+2), g(x+2), f(2+h) ----- I solved that
\n" ); document.write( "e) The average rate of change of g between x=5 and x=21 ---- Need Help\r
\n" ); document.write( "\n" ); document.write( "f) f o g, g o f, f(g(12)), g(f(12))---- Working on right now\r
\n" ); document.write( "\n" ); document.write( "g) The inverse of g\r
\n" ); document.write( "\n" ); document.write( "Not sure if that clarifies what I'm doing right now.
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Algebra.Com's Answer #500199 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Average rate of change of a function, f, on interval [a,b] is,
\n" ); document.write( "\"AR=%28f%28b%29-f%28a%29%29%2F%28b-a%29\"
\n" ); document.write( "In your case,
\n" ); document.write( "\"AR=%28g%2821%29-g%285%29%29%2F%2821-5%29\"
\n" ); document.write( "Just plug in values.
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