D. Reflect across line x =-7
It would be 400+700h=1800
Answer:
The answer is 9 + 21b
Step-by-step explanation:
Simplify the expression.
~Hoped this helped~

Step-by-step explanation:
Since we have given that

By using logarithmic on both sides we get,

(∵
)
Now, differentiating on both sides ,we get,


