The wiegh of a person on or above he earth surface of the earth varies inversely as the square of the distance the person is from the center of the earth. if a person weighs 180 pounds on the surface of the earth surface and the radius of the earth is 3900 miles what will the person weigh if he or she is 850 miles above the earth's surface? round your answer to the nearest hundredth if a pound a. 121.34 lbb. 121.74 lbc. 122.74 lbd. 120.84 lb

guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

step-by-step explanation:

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