Question: 7. a. Let f(x)=3x+1 and g(x) = x + 2Then show that fo g(x) = f(g(x)) b. Which of the following functions are onto

7. a. Let f(x)=3x+1 and g(x) = x + 2Then show that

7. a. Let f(x)=3x+1 and g(x) = x + 2Then show that fo g(x) = f(g(x)) b. Which of the following functions are onto function if f: R R. (i) f(x) = 115x +49 ii. f(x) = |x| (5) (5)

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