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Creating and managing access rules
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what is the domain of the function represented by the graph?
there is no graph... but most chance it's all real numbers
How can you tell if a line is a function?
A line is a function ifany line parallel to the y axis meets the line at most once andall points where it does not meet the line are excluded from the domain.
Why can't the range of a function ever be equal to zero?
It most certainly can. In fact it can be quite a useful function. If you want to suppress one function, f(x), over part of its domain you could define another function, g(x) that is equal to zero over that part of the domain and then study the function: h(x) = f(x)*g(x) where both are defined = f(x) otherwise. You may want to do this if f(x) is ill-behaved over a part of its domain.
What is domain in algebra?
A domain is the x value or values of a set of points of a graph. do not repeat them. It should be written in the following fashion... d={enter x values here with commas between each} The concept of the domain of a function applies not just in algebra, but most areas of mathematics.
How do you find out if y is a function of x?
y is a function of x iffor each value of x (in the domain) there is a value of y, andfor each value of y (in the range) there is at most one value of x.
