document.write( "Question 575870: How do you find the domain of f. Given the function $\"f%28x%29=sqrt%284-3x%29\"$ \n" ); document.write( "

Algebra.Com's Answer #369631 by reviewermath(1029) $\"\"$ $\"About$

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The square root of a negative number is NOT a real number, so the expression inside the square root sign should be non negative.
\n" ); document.write( " $\"4-3x%3E=0\"$
\n" ); document.write( " $\"-3x%3E=-4\"$ , divide both sides by -3, change the direction of the inequality because we divide by a negative number
\n" ); document.write( " $\"x%3C=4%2F3\"$ \r
\n" ); document.write( "\n" ); document.write( "Answer: ( $\"-infinity\"$ , 4/3] \n" ); document.write( "

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