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anonymous
 one year ago
f(x)=13/x6
what is the domain of f
anonymous
 one year ago
f(x)=13/x6 what is the domain of f

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mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1Oh, i see. you started a new post for this question.

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.2the domain is the xaxis... but this time we have a restriction...

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1Do you mean \(f(x) = \dfrac{13}{x  6} \) ?

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.2I'm sure that's right... because there is a restriction for that function..

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.2for what value of x makes the entire function undefined ?

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1The domain is the set of values that x can have. A fraction can never have a denominator of zero. If the denominator is x  6, then x  6 cannot be zero.

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.2it's similar to solving x  6 = 0

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1To find what value makes the denominator zero, solve the simple equation: x  6 = 0 What is x?

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.2what do we need to do to have x by itself?

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.2no.. we are solving for x for x 6=0

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1No. If x = 0, x  6 = 0  6 = 6. That makes a denominator of 6 which is fine.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1How do you solve the equation x  6 = 0 for x?

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.2how do we get x by itself? there must be some arithmetic somewhere x6=0

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1Since you want to isolate x, and 6 is being subtracted from x, you add 6 to both sides.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1dw:1434941520580:dw

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.2it's impossible to go further into this problem until we figure out what value of x makes the entire function undefined..
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