The number of bacteria triples in a lab culture every day. Suppose there are 500 bacteria to start an experiment. Write an equation for the number of bacteria n as a function of the number of days d Use d(n) not f(n).

Which of the following tables represents exponential functions?

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.