document.write( "Question 238284: Hi, I need help with another problem. The question is: Is f(4) a zero of the function: f(x)=3x-12? why or why not. How would I figure that out and what is a zero of a function? Thank you! \n" ); document.write( "
Algebra.Com's Answer #175135 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Is f(4) a zero of the function: f(x)=3x-12? why or why not. \n" ); document.write( "Sub 4 for x \n" ); document.write( "f(4) = 3*4 - 12 = 0 \n" ); document.write( "So it is. \n" ); document.write( "----------- \n" ); document.write( "How would I figure that out and what is a zero of a function? \n" ); document.write( "It depends on the type of function. You can always sub a value and see if it is a zero. \n" ); document.write( " |