Here are offers from two different shops. shop 1 apple juice £1.80 for a litre. shop 2 apple juice £2.20 for two pints. which shop is the best value for apple juice

Shop 1

Step-by-step explanation:

1 litre = 2,113 pint

The first shop's offer is £1.80 for 1 litre which is the same as £1.80 for 2,113 pints. The second shop's offer is £2.20 for 2 pints.

When buying in shop 1 you get more juice for cheaper price, so this shop has the best value for apple juice.

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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: