document.write( "Question 613701: consider the following function f(X)=2x -8 calculate f(3) \n" ); document.write( "
\n" ); document.write( "Hi, \n" ); document.write( "f(x)=2x -8 \n" ); document.write( "f(3)=2(3) -8 = \n" ); document.write( "The idea is to use the value for x given... to find the value of the function for that x-value