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Find the range of f(x) = -x+4 for the domain {-3, -2, -1, 1}.

A) {7, 6, 5, 4,}
B) {-7, -6, -5, -3,}
C) {-7, -6, -5, -4,}
D) {7, 6, 5, 3,}

Thank you <3

1 Answer

3 votes


\bf \begin{array}rrrr \cline{1-4} \stackrel{domain}{x}&amp;\stackrel{f(x)}{-x+4}&amp;&amp;range\\ \cline{1-4} -3&amp;-(-3)+4\to &amp;3+4\to &amp;7\\ -2&amp;-(-2)+4\to &amp;2+4\to &amp;6\\ -1&amp;-(-1)+4\to &amp;1+4\to &amp;5\\ 1&amp;-(1)+4\to &amp;-1+4\to &amp;3\\ \cline{1-4} \end{array}\qquad\qquad \stackrel{\mathbb{RANGE}}{\{7,6,5,3\}}

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