The derivative of
in the direction of a vector
is

With
, we get

and
,

Then

It subtracts 2 then adds 5
Answer:

Then the answer is C
Step-by-step explanation:
1) Set a linear equation

2) Cross multiply

3) Multiple the right side

4) Divide both side by 2

5) Solving the linear equation

The answer is (C)
I think it would be the second option
Step-by-step explanation:
SO, OT is parallel to the vector a+2b