document.write( "Question 1182944: (a) The functions 𝑓 and 𝑔 are defined as follows.
\n" );
document.write( " 𝑓(𝑥) = 3𝑥^2, where 𝑥 ∈ (−1, 1) and 𝑔(𝑥) = 𝑥 + 2, where 𝑥 ∈ (−1, 1).
\n" );
document.write( " i) Find 𝑅(𝑓) and 𝑅(𝑔).
\n" );
document.write( " ii) Draw the graphs of 𝑓 and 𝑔.
\n" );
document.write( " iii) Find 𝑓 ∘ 𝑔 and 𝑔 ∘ 𝑓.
\n" );
document.write( " iv) Show that 𝑓(𝑥) is not one to one function.\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( " (b) The function ℎ is defined as ℎ(𝑥) = 3𝑥^2, where 𝑥 ∈ (−∞, 0].
\n" );
document.write( " i) Show that ℎ is a one to one function.
\n" );
document.write( " ii) Find the inverse function ℎ−1 of ℎ.
\n" );
document.write( " iii) Show that,
\n" );
document.write( " (α) ℎ−1∘ ℎ(𝑥) = 𝑥, where 𝑥 ∈ (−∞, 0].
\n" );
document.write( " (β) ℎ ∘ ℎ−1(𝑥) = 𝑥, where 𝑥 ∈ [0, ∞).
\n" );
document.write( " (γ) Are the functions ℎ−1∘ ℎ and ℎ ∘ ℎ−1the same? Explain your answer. \n" );
document.write( "
Algebra.Com's Answer #813070 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " One and ONLY ONE problem/question per post.\r\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is the RULE, the POLICY and the REQUIREMENT of this forum.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is written in this page\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "https://www.algebra.com/tutors/students/ask.mpl?action=ask_question&topic=Equations&return_url=http://www.algebra.com/algebra/homework/equations/\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "from which you post your problems.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is assumed that you read these rules before posting.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is also assumed that you do understand what is written in that page and follow the rules.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Those who violate them, work against their own interests.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "*******************************************************************\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " So P L E A S E post your problems S E P A R A T E L Y (!)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "*******************************************************************\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |