Q2: (a) Determine which of these functions are injective, surjective, and bijective. The function f : R →R are defined by (i) f(x) = 2r + 1 (ii) f(x) = e" (iii) f(x) = r* – 3r (b) Let f and g both be functions from reals to reals. Let f(r) = 2x – 3 and g(r) = 3r – 4. Define what is ((fo g) o f). %3D

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Q: Use the graphs of f and g to evaluate the function (a) ( f ∘ g)(2) (b) (g ∘ f)(2).

A: (a) f∘g2=fg2=f2=0 Hence the answer.

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A: to find an inverse function, interchange variables, and solve for y

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A: To evaluate the function (a) ( f ∘ g)(1). (b) (g ∘ f )(3).

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A: Domain of the function

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A: first we analysis to given question that how to find f, G, h then we compute F(x) function.

Q: -1| 03 f(x) | 15 8 | -1

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A: Remark: we know that (f•g)(x) = f(g(x))