Jacob, who is four years old, decides to walk on the conveyor belt in the "wrong" direction (that is, in the direction opposite to which he would travel if standing still). If he walks for 18 seconds at a rate of 1 foot per second, how far will he travel? In what direction does he travel? Explain.

Distance divided by time is speed. 300/60=5. He would have to move 5 feet per second. It depends on how quick the conveyor belt is to how fast he actually has to walk.

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alright well the answers to your question is

2xy/9 hope this have a nice day : )

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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.

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