1 . fx=4x-72x-4

• A. $\frac{-9}{5}$
• B. $\frac{9}{5}$
• C. $\frac{7}{5}$
• D. $-\frac{7}{5}$

Answer: Option B

Explanation:

2 . fx=4x

• A. 2f(x)
• B. 4f(x)
• C. 3f(x)
• D. 4

Answer: Option C

Explanation: