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23 March, 09:41

If f (x) = x2 - 5 and g (x) = 6x, then g (f (x)) is equal to:

A. 6x3 - 30x

B. 6x2 - 30

C. 36x2 - 5

D. x2 + 6x - 5

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Answers (1)
  1. 23 March, 13:15
    0
    Replace the x in g (x) by f (x) : -

    = 6 (x^2 - 5)

    = 6x^2 - 30 Answer

    Its B
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