document.write( "Question 1194819: Determine analytically, if the function 𝑓, whose correspondence rule is 𝑓(𝑥) = 𝑥^3
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Algebra.Com's Answer #827097 by ikleyn(52803)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Another way to build a proof is to notice that function   f(x) = \"x%5E3\"   is monotonic.\r
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\n" ); document.write( "\n" ); document.write( "Monotonic function is always injective.\r
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