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a streetlight is on top of a 20-foot pole a person who is 5 feet tall walks away from the pole at the rate of 5 feet
refer to problem at what rate is the person s shadow growing when he is 20 feet from the poleproblema streetlight is on
helium is pumped into a spherical balloon at a constant rate of 4 cubic feet per second how fast is the radius
a point is moving along the x axis at a constant rate of 5 units per second at which point is its distance from 0 1
1 a point is moving on the graph of yexxx in such a way that its x coordinate is always increasing at a rate of 3 units
find the equations of the tangent lines at the points on the graph of the equationy3-xy-x32where x 1 round all
refer to the equation in problem find the equations of the tangent lines at the points on the graph where y -1 round
1 a point is moving on the graph of xy36 when the point is at 4 9 its x coordinate is increasing by 4 units per second
a boat is being pulled toward a dock as shown in the figure if the rope is being pulled in at 3 feet per second how
refer to problem suppose that the distance between the boat and the dock is decreasing by 305 feet per second how fast
1 a rock thrown into a still pond causes a circular ripple if the radius of the ripple is increasing by 2 feet per
boyle s law for enclosed gases states that if the volume is kept constant the pressure p and temperature t are related
a woman invests 5000 in an account that earns 88 compounded continuously and 7000 in an account that earns 96
1 if 6000 is invested at 10 compounded continuously graph the amount in the account as a function of time for a period
a man with 20000 to invest decides to diversify his investments by placing 10000 in an account that earns 72 compounded
the total cost in dollars of manufacturing x auto body frames iscx60000300xa find the average cost per unit if 500
the total cost in dollars of printing x dictionaries iscx2000010xa find the average cost per unit if 1000 dictionaries
the total profit in dollars from the sale of x skateboards ispx30x-03x2-250 0ltxlt100a find the exact profit
the total profit in dollars from the sale of x lawn mowers ispx30x-003x2-750 nbsp nbspnbsp 0ltxlt1000a find the
profit analysis the total profit in dollars from the sale of x gas grills ispx20x-002x2-320 nbsp nbspnbsp
the price p in dollars and the demand x for a brand of running shoes are related by the equationx4000-40pa express the
revenue analysis the price p in dollars and the demand x for a particular steam iron are related by the
revenue cost and profit the price demand equation and the cost function for the production of table saws are given
revenue cost and profit the price demand equation and the cost function for the production of hdtvs are given
discuss the validity of each statement if the statement is always true explain why if not give a counterexample1 if a