For , which ordered pair of functions satisfies…

MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

For h(x)=(5−2x)3h(x)=(5-2x)^3, which ordered pair of functions (f, g)(f,\,g) satisfies h=g∘fh=g\circ f? (a) f(x)=x3,  g(u)=5−2uf(x)=x^{3},\; g(u)=5-2u (b) f(x)=5−2x,  g(u)=u3f(x)=5-2x,\; g(u)=u^{3} (c) f(x)=5x−2,  g(u)=u3f(x)=5x-2,\; g(u)=u^{3} (d) f(x)=5−2x,  g(u)=3uf(x)=5-2x,\; g(u)=3u

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