
First we must apply the Quotient rule that states,

This means that our derivative becomes,

Now we need to calculate
and 


From here the new equation looks like,

And that is the final result.
Hope this helps.
r3t40
Bet imma go measure it rn!! Be back to you very soon xoxo
Well, first we can rule out B and D. When you multiply a positive number by a negative number, you will get a negative number. Since the product of this equation is a positive, we can rule these 2 out. Now we are left with A and C. There are 2 ways you can solve this. You can divide 144 by 16 or 36, or multiply 4 by 16 or 36. I perfer to multiply 4 by A or C. 4 x 16 = 64. So we can rule that one out. SO your answer is C.