Citylite Laptop Case 16", 13-1/4 X 3-1/2 X 16-1/2, Black, Total 2 EA
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Product review & video
example 1.16 is going to really start the abstract applying of the algebra that we're going to be experiencing in this course now the example starts with defining a function in the same way that we've defined all of our functions thus far there's an equation there we have a name the first set and a second set so we have all the elements that we would normally need for a mapping but it also has some extra information it says and a comma H our elements of the real number so what this is saying is that a and H are not just letters they are there to represent a particular real number we just don't know exactly which real number it is so it's not to represent all of the real numbers it represents a very specific real number so a is any real number that we can think of but H is not going to be any just any real number that we can think of it says that H is not allowed to be 0 so you can think
