A science teacher wrote the table of values below. Amount of Hydrogen vs. pH pH, f(x) Amount of Hydrogen, X (in moles per liter) 1 10 1 2 100 3 1.000 4 10,000 5 100,000 Which function models the data in the table?
Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?