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399 bytes removed ,  02:47, September 7, 2017
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Reverted edits by Normaljoe (talk) to last revision by DavidB4-bot
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Two trucks having sex
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In mathematics, a '''variable''' is a number whose value is not known. In basic arithmetic problems, the variable is typically the answer which the student must find:
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My muscles, my muscles
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Given:
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5 + x = 12
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Find x.
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TWO PICKUP TRUCKS
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Since 5 + 7 = 12, the answer is:
MAKING LOVE
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AMERICAN MADE
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BUILT FORD TOUGH
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TWO BEAUTIFUL MURDER MACHINES
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AMERICAN ANGELS IN THE SKY
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GROWN MEN CRY
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Two trucks having sex (oh yes)
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x = 7
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My muscles (UH) My muscles (UH)
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Involuntarily flex
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A variable is usually is the subject or part of a [[function]] and must be subject to change while not affecting the structure behind the function in which it acts.
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my muscles (UH) my muscles (UH)
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Involuntarily flex
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RIGHT BY MY SIDE
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For example, if we have a function: <math>f(x,y)=x^{2}+3y</math>, then <math>x,y</math> are said to be the variables of the function, <math>f</math>.
THERE'S ZZ TOP
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AND ROBERT Z'DAR
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FROM MANIAC COP 1, 2 and 3
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THIS BARBECUE COULD BRING YOU TO YOUR KNEES
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AND SO COULD THESE TWO TRUCKS
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Two trucks holding hands
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Further, <math>f(1,2)=(1)^{2}+3(2)=1+6=7</math>.  We change the variable and thus alter the value of the function.
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The passion, the passion
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Is more than I can withstand
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Two trucks holding hands
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Sometimes a function can have also a [[parameter]]. A parameter is similar to a variable, but is not written like a variable and is thus more similar to a [[constant]]. For example, if we a function: <math>f(x,y) = x^2 + ay</math>, then <math>a</math> is said to be a [[parameter]]. It does not change like the variables x and y, but it can nonetheless take different values. It is important to clearly distinguish the two concepts.
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The passion, the passion
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My big fat heart expands
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TWO PICKUP TRUCKS
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The [[set]] of all variables upon which a function acts is said to be the [[domain]].  The set of all values that a function can take due to its domain is called its [[range]].
ONE CYLINDER BLOCK
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[[Category:Mathematics]]
CRUSH MY BODY LIKE A ROCK
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SO BEAUTIFUL
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NO STARS TONIGHT
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JUST FIREWORKS AND EAGLES IN THE SKY
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THE FOUNDING FATHERS CRY
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Two trucks having sex (oh yes)
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Two trucks having sex (oh yes)
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my muscles (UH) my muscles (UH)
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Involuntarily flex
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Two trucks, having sex (oh yes)
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Two trucks, having sex (oh yes)
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my muscles (UH) my muscles (UH)
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Involuntarily flex
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Two trucks having sex
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Two trucks having sex
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My muscles, my muscles
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Involuntarily flex
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Two trucks having sex
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Two trucks having sex
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My muscles, my muscles
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Involuntarily flex
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Two trucks (having sex)
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Two trucks (having sex)
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Two trucks (having sex, having sex, having sex)
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Two trucks (having sex)
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Two trucks (having sex)
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Two trucks (having sex, having sex, having sex)
 
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