2
In London, 1 litre of petrol costs 108.9p
In New York, 1 US gallon of petrol costs $2.83
1 US gallon - 3.785 litres
£1 = $1.46
In which city is petrol better value for money, London or New York
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lus gallon : 3.788 litres
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€
1
1.48
108.90% 12785
12,16 412, 18650 3.785 litres

Cumulative examcumulative exam active13time remaining02: 44: 18the graph represents the data cost for monthly internetservice for a cell phone.which function, c(x), represents the monthly cost in dollarsin terms of x, the number of gigabytes used in a month? cell phone internet service(15,5x + 10150,0sx522 < x < 664x115, osx< 25x + 20, 2< x< 650, 65815%,monthly cost (s)20x + 5| 50x,0 < x < 22 < x < 664x( 15x, osx< 2c(x) = 5x + 10, 2< x< 6150x, 65 x5+1234 5 6 7 8 9 10 11 12gigabytes used

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

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