Answer: In Functions and Function Notation, we were introduced to the concepts of domain and range. In this section, we will practice determining domains and ranges for specific functions. Keep in mind that, in determining domains and ranges, we need to consider what is physically possible or meaningful in real-world examples, such as tickets sales and year in the horror movie example above. We also need to consider what is mathematically permitted. For example, we cannot include any input value that leads us to take an even root of a negative number if the domain and range consist of real numbers. Or in a function expressed as a formula, we cannot include any input value in the domain that would lead us to divide by 0.
Step-by-step explanation:
The domain and range of the function is all real numbers greater than or equal to 0, the correct option is B.
A function is a law that relates a dependent and an independent variable to each other.
The distance time function is
d = 55t
The domain is all the possible values that can be an input to the function.
The range is all the possible output values of the function.
The domain of the function is all the real numbers greater than or equal to zero.
The range of the function is also the same.
Therefore, the correct option is B.
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