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27 June, 12:17

If f (x) = 7x and g (x) = 3x+1 find (f o g) (x)

A. 10x+1

B. 21x+1

C. 21x^2+7x

D. 21x+7

+2
Answers (2)
  1. 27 June, 12:28
    0
    B is the answer 7 times three 21x + 1
  2. 27 June, 13:03
    0
    Correction: the answer is not + 1 it is + 7. The answer should be D.
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