What is the domain and range of $f (x) = - 2 x + 6$ $f (x) = -2x + 6$ ?

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Answer 1 · 2017-08-09T02:25:15

See a solution process below:

Because there are no restrictions on the value $x$ $x$ can be, then the domain of the function is the set of Real numbers: ${RR}$

The function is a linear transformation of $x$ and therefore the domain is also the set of Real numbers: ${RR}$

What is the domain and range of f (x) = -2x + 6f(x)=−2x+6f (x) = -2x + 6?