Jennifer is tracking the monthly online sales of her homemade soaps. The following expression represents the number of soaps sold for each month over the course of x months. 153(0.89)^xWhich statement best describes the factor 0.89?A.The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold increases by 11%.B. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold increases by 89%.C. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold decreases by 89%.D. The factor 0.89 represents that for each 1 month increase in time, the number of soaps sold decreases by 11%.
Accepted Solution
A:
The correct answer is Choice D.
Since, 0.89 is less than one, this is a decreasing function. This means as the number of months increases, the amount of soap decreases.
To find the amount of the decrease, you subtraction it from 1. 1 - 0.89 = 0.11 or 11%