At the local subway station, a subway train is scheduled to arrive every 15 minuets. The train waits for 2 minutes while passengers get off and on, and then departs for the next station. What is the probability that there is a train waiting when a pedestrian arrives at the station at a random time?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.