BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

1 . 3x+3x+3x=

A. $9^{x}$
B. $3^{x + 1}$
C. $3^{3 x}$
D. $3^{x^{3}}$

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Answer: Option B

Explanation:

3x + 3x + 3x = 3x(1 + 1 + 1) = 3x.3 = 3x + 1.