A differentiable function f(x, y) has the property that f(5,4)=2 and fx(5,4)=−7 and fy(5,4)=1. Find the equation of the tangent plane at the point on the surface z=f(x, y) where x=5, y=4.

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

Which value would be a solution for x in the inequality 47-4x< 7