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26 December, 05:36

If f (x) = 2x + 3 and g (x) = x2 + 1, find f (g (3)).

A 23

B47

C82

D90

+4
Answers (1)
  1. 26 December, 05:55
    0
    G (3) = 3^2 + 1

    g (3) = 10

    f [ g (3) ] = f [ 10 ]

    = 2 [10] + 3

    = 20 + 3

    = 23

    The answer is A
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