Q2. For the following functions of and J determine with reason whether (fog)(x) exists 4 ()...

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Q2. For the following functions of and J₂ determine with reason whether (fog)(x) exists 4 (₁) filR→IR, f(x) = x² and g: (~ 7] → IR, g(x) = √7-x 3x (ii) f: IR→IR, f(x) = ²x and e gi(g, ∞) →R, g(x) = ln(x). IR (1+1=2 marks) Q2. For the following functions of and J₂ determine with reason whether (fog)(x) exists 4 (₁) filR→IR, f(x) = x² and g: (~ 7] → IR, g(x) = √7-x 3x (ii) f: IR→IR, f(x) = ²x and e gi(g, ∞) →R, g(x) = ln(x). IR (1+1=2 marks)