Find the exponential function that passes through the points (1, 3) and (2, 9). a) y = 12x b) y = 9x c) y = 6x d) y = 3x

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.

Is a for each hour he works,his earnings go up by $4