The value of objective function is maximum under linear constraints: (a) at the centre of feasible region
(b) at (0,0)
(c) at any vertex of feasible region
(d) the vertex which is at maximum distance from (0,0)

Which expression is equivalent to (4x^3*y^5)(3x^5*y)^2 \a) 24x^13*y^7b) 36x^13*y^7c) 36x^28*y^7d) 144x^16*y^12

With this one. will mark brainliest

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.