Linear Equality Applied in Real Life Essay Example for Free

one-dimensional Equality Applied in Real Life EssayFrom the real life situation depict in the prior DQ 1, I found out the form of the equation that can be utilize to analyze situations wherein decisions have to be made. This linear equation is that of the slope y = ax + b, wherein x is the nonparasitic value and its value is fixed. In the problem 40, the x denotes the fixed rate for each minute used. The inconsistent a is the government issue of transactions consumed for the call and b is the fixed amount the company charged serious for using the service. The variable y is the dependent variable and the total amount for the whole service, depending on the number of minutes used. Figure 1, based on problem 40 (McGraw-Hill Companies, 2005) will help to further flesh out the use of the equation. Based on the graph, Company A costs more than Company B up until a certain point, which is when the sum of the calls Rafaella made in one month was 45 minutes. On the opposite hand , when she made 60 minutes worth of calls in one month, it is seen that Company B started to become a bit more expensive than Company A.Thus, based on the results, Rafaella should choose based on her ingest estimate of her usage of long-distance calls. If shell rarely make calls or call for only a a couple of(prenominal) minutes each month, she should stay subscribed at Company B. However, if she thinks that her total calls would exceed 60 minutes per month, then it is advisable for her to subscribe to Company A. Table 1. Total charges for total minutes of of long-distance calls in one month for Company