The cost for ground shipping with FedEx and UPS varies. UPS charges $8.25 initially, and then $0.20 per pound. FedEx initially charges $9.50 and then $0.16 per pound. Write the equation to find the number of pounds when the costs of shipping with UPS and FedEx are the same. (Let the number of additional pounds = x.)

it will be a cylinder. with a diameter of 8 and 4 single pieces high

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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.

step-by-step explanation: