does y equal -3 describe a function or do I also need the domain?


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does y equal -3 describe a function or do I also need the domain?

does y equal -3 describe a function? or do I also need the domain. to describe a function?

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Functions: Domain and Range | Purplemath


State the domain and range of the following relation. Is the relation a function?
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What is a Function


What is a Function? ... And we usually see what a function does with the input: f(x) ... Also, notice that: the domain is {2,3,7} (the input values)
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1.3 - Functions - Richland Community College


Also, g is a function of both x and y. ... does not equal 3 * f(x) = 3 ... These aren't in the implied domain, so they need to be stated.
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CHAPTER 12 Functions - www.people.vcu.edu


Functions Y ... Definition 12.3 Two functions f : A !B and g D are equal ... 1 frombothsidesandinvertingproducesx˘ y. Therefore f isinjective. Function f ...
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Domain of a function - Wikipedia


... the set of values the function takes on as output is termed the image of the function, which is sometimes also ... or equal to 0 (ignoring ... domain of a ...
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6 Ways to Find the Domain of a Function - wikiHow


The domain of a function is the set of numbers that ... Here are the basics that you need to know about each type of function, ... so the domain is equal to all ...
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Domain and Range - Free Math Help


Learn what the domain and range mean, ... The domain of a function is the set of all possible input values, ... We need a function that, ...
Read More At : www.freemathhelp.com...

Finding the Domain of a Function | Coolmath.com


Can we still find the domain and range? ... (you usually need the ... Asking for the domain of a function is the same as asking
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CorrectionKey=TX-A CorrectionKey=TX-B LESSON 1 . 1 DO NOT ...


that x is greater than or equal to 1.” For interval notation, do the ... Also describe the end behavior ... describe the function’s domain and range using one of ...
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Functions: The domain and range - The University of Sydney


Functions: The domain and range ... we often describe a function using the rule, y = f ... X → Y the domain of f is the set X. This also corresponds to the set of x ...
Read More At : sydney.edu.au...

Suggested Questions And Answer :



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does y equal -3 describe a function or do I also need the domain?

y=-3 is legal funk even tho its konstant & thur Not a funk av x
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How do I graph (-x^2 + 3x +9)/(x-1)


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f(x)=-2x^2+2x+2 ?

need to find domain for f(x) = 2/x^2
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how do you find the domain of the composite function when the f(x)=sqrt of x and g(x)=2x-5

When we look at each function we can see that g is defined for all values of x as a linear function. It is represented by an infinitely long straight line. But f is the square root of g(x) when the two functions are combined. We can't find the (real) square root of a negative number so the domain mu
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given the folowing piecewise function:

A. The domain is the range of values of x for which the function f(x) is defined. The lowest value for x is -4. There is no upper limit for x, because the function is defined for x>1. Therefore, the domain is x=>-4. B. The range of the function requires us to calculate its value over the do
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f (x)=(x+e^x)/(x-e^x) find the zeros and domain of this function

GGiven f (x)=(x+e^x)/(x-e^x) zeros of the function (x+e^x)/(x-e^x)=0 (x+e^x)=0 x=-0.567143 Domain of the function is all real R Precalculus Help - http://math.tutorvista.com/calculus/precalculus.html
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How are the locations of vertical asymptotes and holes different, and what role do limits play?

To talk about asymptotes and holes, you need pictures. These pictures are graphs of functions. The simplest function containing vertical and horizontal asymptotes is y=1/x, where x is the horizontal axis and y the vertical axis. The vertical asymptote is in fact the y axis, because the graph ha
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find domain,and locate intercepts; f(x)=x+3 f(x)=-2x-3 if x<-2 if x>=-2

I interpret this as f(x)=x+3 when x<-2 and f(x)=-2x-3 when x>-2, because the whole domain of x is covered by one or other function. Treating the functions separately, the domain of the first function is all x<-2; the domain of the second function is all x>-2. When x=0 we have the y or
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how do you write an equation for the linear function f with the given values?

Standard linear function is f(x)=ax+b where a and b are constants. Substitute each point into the function: 21=-2a+b, -35=5a+b. We need go no further because we have two linear equations and two unknowns. f(-2)-f(5): 56=-7a so a=-8. Now we can work out b: b=21+2a=21-16=5 so f(x)=5-8x. Qu
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what is a piecewise graph?

​A piecewise graph is one made up of more than one function definition. For a particular domain of the x value,  between certain values, or bigger or smaller than a particular value one function applies, while for a different domain another function applies, and so on for as many functio
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