Answer:
6(4x+3y)
Step-by-step explanation:
24 and 18 have a HCF of 6, so yeah

has gradient

which at the point (-1, 4, 3) has a value of

I'm not sure what the given direction vector is supposed to be, but my best guess is that it's intended to say
, in which case we have

Then the derivative of
at (-1, 4, 3) in the direction of
is

Answer:
Honestly i dont even know
Step-by-step explanation: