Please help me nerds

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !