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Question: What does the function notation g(7) represent? Answer: the output from the function g when the input is 7; Question: Suppose f(x) = x + 2 . What is f(3) ? Answer: f(3) = 3 + 2 = 5;
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www.onemathematicalcat.org/algebra_book/online_problems...
www.onemathematicalcat.org/algebra_book/online_problems/function_notation.htm
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Because the concept of a function is used so often, a shorthand has been developed...we call it function notation. ... MORE FUNCTION NOTATION: In the function g(x) = 3x + 7, the letter x is actually being used as a place holder. To illustrate this point, we can remove the x. This leads to the following:
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www.mc.maricopa.edu/~steig/mat120/algebra_readings/func...
www.mc.maricopa.edu/~steig/mat120/algebra_readings/function.html
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Suppose we want to evaluate the function f(x), defined above, at x = 3. We would say find f(3) ("f of 3"). Again this does not mean f times 3, it is only a notation. ... The notation f(3) tells us to plug in 3 for x in the function f. In function notation, we replace the variable with whatever is inside the parenthesis.
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www.csun.edu/~slh39666/Online%20094B/IA/ch7.html
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A function is a special type of relation where every input has a unique output. ... A function domain and the range ... ; To determine whether a graph is the graph of a function, we use the following criterion.
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www.ltcconline.net/greenl/courses/152A/functgraph/relfu...
www.ltcconline.net/greenl/courses/152A/functgraph/relfun.htm
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Function (mathematics) - Wikipedia, the free encyclopedia
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In mathematics a function is a relation between a given set of elements (the domain) and another set of elements (the codomain), which associates each element in the domain with exactly one element ...
en.wikipedia.org/wiki/Function_(mathematics)
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Algebra Help Online Resource provides helpful algebra articles on Using Function Notation. ... This way you won't have to think about function notation and algebra at the same time. An added advantage to this is that most instructors, including myself will probably give you at least a good amount partial credit for...
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www.helpalgebra.com/articles/usingfunctionnotation.htm
www.helpalgebra.com/articles/usingfunctionnotation.htm
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A function (or map) is a rule or correspondence that associates each element of a set X called the domain with a unique element of another set Y called the codomain. ... The fact that the correspondence goes from the domain to the codomain is indicated by the notation . ...
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www.math.csusb.edu/notes/func/node1.html
www.math.csusb.edu/notes/func/node1.html
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1.2 Function Notation ... For example, if we speak of the function , then we know that the equation of the function is , and we know that we find the output number corresponding to a given input number by adding one to the square of the input number, then dividing by two.
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jwbales.home.mindspring.com/precal/part1/part1.2.html
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