exam Maths Puzzle Numerical Ability

Find the domain and range

f(x)= 2- x^2

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exam Other Question

grade B syrup sells for $1.35/L less then grade A syrup.if 80L of grade B syrup is mixed with 40 L of Grade A syrup, the resulting mixture will be worth $1.85/L. what is the unit price for the two grades of syrup? Leilani adn Malu opened their R&J Recycling station one month ago, and already they have 7,000 tons of galactic debris for sale. THey have collected five times as many 4-ton bins