Can I please get help? I'm not really good with density and stuff and find it confusing.

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values

Write an expression that shows 3 more than 5 times a number

The average distance in miles traveled in one hour if 660 miles can be covered in 1.5 hours