4. A survey is given to 1 432 people about whether they take daily supplemental Vitamins and whether they eat bresláast on a regular basis. The results are shown in
the table

Suppose that x and y are both differentiable functions of t and are related by the given equation. use implicit differentiation with respect to t to determine startfraction dy over dt endfraction in terms of x, y, and startfraction dx over dt endfraction .

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.