Answer: x=5
Step-by-step explanation:
The derivative of
at a point
in the direction of a vector
is

We have

and

Then the derivative at
in the direction of
is

Okay, you would need to distribute it.
It would be 3/4x - 3/4 = 10/8x - 20/8
Answer:
(0,3)
..........................
The answers is A,C,E because if you take the partake line to the slope like it equals to the letters A,C,E