A charter boat travels at a maximum rate of 25 miles per hour. The function d(x) = 25x represents the distance d(x), in miles, t
hat the boat can travel in x hours. The charter boat travels a maximum distance of 75 miles from the shore. Find a reasonable domain and range for this function?
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Answer:
Step-by-step explanation:
For this exercise it is important to remember the multiplication of signs. Notice that:
In this case you have the following expression given in the exercise:
Then you can follow the steps shown below in order to solve it:
Step 1: You must solve the subtraction of the numbers 0,65 and 3,21. Then:
Step 2: Now you must find the product of the decimal numbers above. In order to do that you must multiply the numbers.
(As you can notice, both are negative, therefore you know that the product will be positive).
Then, you get that the result is the following: