1 . 4x+4x+4x+4x

• A. $4^{4x}$
• B. $4^{4x}$
• C. $2^{8x}$
• D. $2^{2x+2}$

Answer: Option D

Explanation:

2 . 4x+4x+4x+4x

• A. $2^{x+1}$
• B. $2^{2x+2}$
• C. $2^{8x}$
• D. $4^{4x}$

Answer: Option B

Explanation:

3 . 4x+4x+4x+4x

• A. $4^x$
• B. $4^{x+1}$
• C. $4^{x+4}$
• D. $4^{x+6}$

Answer: Option B

Explanation: