Guy wants to swim 500 meters. after 75 meters, he takes a break. what percent of his goal has he already met?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3