Find the total volume of the solid

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.

Look at the figure xyz in the coordinate plane. find the perimeter of the figure rounded to the nearest tenth.

Pl approximate the value of 13−−√ to the nearest tenths place. plot the approximation on the number line.