The exponential function f, represented in the table, can be written as f (x)=a*b^x
x | y
___
0|5
1 | 8

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

That’d be 9 years or something