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If f is a function defined by the equation yequals=​f(x) then x is called the
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If f is a function defined by the equation yequals=​f(x) then x is called the

User Jens Gustedt
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X is the independent variable (think 'input variable'); all of the values of x which are valid (ones that don't create division by zero or square root of a negative value) is the domain.
User Verve Innovation
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User VvdL
asked Dec 7, 2018 137k views
If y varies directly as​ x, and yequals=77 when xequals=66​, find y when xequals=1212.
VvdL asked Dec 7, 2018
by VvdL
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