Q. 21 C5.0( 1 Vote )

# Let and g (x) = x be two functions defined in the domain R+∪ {0}. Find(fg) (x)

Given: f(x) = √x and g (x) = x two functions defined in the domain R + {0},

To find: (fg)(x)

Explanation: this can be obtained by multiplying functions f(x) and g(x), i.e.,

(fg)(x) = f(x) g(x)

Substituting the corresponding equation, we get

(fg)(x) = (√x)(x)

(fg)(x) = x√x

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