The public park has a rectangular playground that is enclosed with timbers. the dimensions of the playground are 16 ft by 18 ft. a. they need to order more mulch, but the mulch can only be ordered in square inches. how many square inches do they need to order? b. they want to cover the playground with a fabric tarp that will be attached to four poles. they don't have enough money to cover the whole thing, so they will cover a 16 by 9 ft area. the fabric can only be ordered in square inches. how much fabric do they need to order?

To find the extreme values of a function f(x.y) on a curve x-x(t), y y(t), treat f as a function of the single variable t and use the chain rule to find where df/dt is zero. in any other single-variable case, the extreme values of f are then found among the values at the critical points (points where df/dt is zero or fails to exist), and endpoints of the parameter domain. find the absolute maximum and minimum values of the following function on the given curves. use the parametric equations x=2cos t, y 2 sin t functions: curves: i) the semicircle x4,y20 i) the quarter circle x2+y-4, x20, y20 b, g(x,y)=xy

If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units