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Question

Let f and g be the functions from the set of integers to the set integers defined by

f(x) = 2x + 3 and g(x) = 3x + 2

Then the composition  of f and g and g and f is given as

a.

6x+7,  6x+11

b.

6x + 11, 6x + 7

c.

5x + 5, 5x + 5

d.

None of the above

Answer: (a).6x+7,  6x+11

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Q. Let f and g be the functions from the set of integers to the set integers defined by f(x) = 2x + 3 and g(x) = 3x + 2 Then the composition  of f and g and g and f is given as

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