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0.8 add, subtract, multiply, or divide two fractions: word problems rdy
on friday, christopher sold 2 2/3 pitchers of lemonade from his lemonade stand. on
saturday, he sold 3/5 as much lemonade as on friday. how many pitchers of lemonade did
christopher sell on saturday?
write your answer as a fraction or as a whole or mixed number.
pitchers
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correct answer:

b.(19,-2)

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: