What is the maximum value that the function y = -5sin(x) assumes?

+5

Step-by-step explanation:

Let's analyze the sine function first:

we know that this is periodic function with values between -1 and 1.

Now let's consider the function of the problem

Here we have basically multiplied the previous function by a constant number, -5. Therefore, we have:

- when

- when

So, the values of the function

are between -5 and +5, and so its maximum value is +5.

The sample is from the right population, his customers. However, because he is surveying such a small number of people and only asking his best customers (who are probably the most satisfied, or they would not buy so much from him), the results are going to be biased, most likely positive, and not representative of his entire customer base.