Suppose a city with a population of 900,000 has been growing at a rate of 5% per year. If this rate continues, find the population of this city in 20 years.

b.-4 units

all you   do is count how many times you move

look at photo

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.