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Paragraph: Consider the function f(x)=g(x)+h(x) where g(x)= ( x 4 ) and h(x)= ( 4 x 5 ) Question: What is the period of the function f(x) ?

Options

  1. A10
  2. B20
  3. C40
  4. D80

Correct answer

C. 40

Step-by-step solution

Period of f(x)= LCM of period of g(x) & h(x) aligned & LCM [8 , 5 2 ] & =40 aligned

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