document.write( "Question 1202758: Given f(x)=-3x^2+5\r
\n" ); document.write( "\n" ); document.write( "(a) graph f and its inverse\r
\n" ); document.write( "\n" ); document.write( "b) Determine the equation of the inverse of f\r
\n" ); document.write( "\n" ); document.write( "c) state the domain and range of f and its inverse
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Algebra.Com's Answer #837850 by josgarithmetic(39620)\"\" \"About 
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main coefficient negative three, so since is function of x, parabola with a maximum, vertical symmetry axis, ....
\n" ); document.write( "Vertex at (0,5).
\n" ); document.write( "Range is the real numbers less than or equal to 5.\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=-3x%5E2%2B5\"
\n" ); document.write( "\"graph%28400%2C400%2C-10%2C10%2C-10%2C10%2C-3x%5E2%2B5%29\"\r
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\n" ); document.write( "\n" ); document.write( "Two different inverses.
\n" ); document.write( "\"-3y%5E2%2B5=x\"
\n" ); document.write( "\"-3y%5E2=x-5\"
\n" ); document.write( "\"y%5E2=-%28x-5%29%2F3\"
\n" ); document.write( "\"y%5E2=%285-x%29%2F3\"
\n" ); document.write( "\"y=0%2B-+sqrt%28%285-x%29%2F3%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"graph%28400%2C400%2C-10%2C10%2C-10%2C10%2C-sqrt%28%285-x%29%2F3%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "OR\r
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\n" ); document.write( "\n" ); document.write( "\"graph%28400%2C400%2C-10%2C10%2C-10%2C10%2Csqrt%28%285-x%29%2F3%29%29\"\r
\n" ); document.write( "\n" ); document.write( "and identifying domains and ranges to each should be clear.
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