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
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\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.
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Algebra.Com's Answer #813070 by ikleyn(52781)\"\" \"About 
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