The derivative of
in the direction of a vector
is

With
, we get

and
,

Then

Answer: X = 8/3
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Let's go through each set of dimensions and test them. Keep in mind that two times the sum of the length and width of a rectangle yields the perimeter.
A) 2(14+10)=2(24)=48
B) 2(70+70)=2(140)=280
C) 2(60+10)=2(70)=140
Therefore, the correct answer is C. Hope this helps!
Answer:
B I hope this helped!
Step-by-step explanation: