document.write( "Question 1161321: in two or more sentences compare the number of x intercepts in the graph of f(t) = t^2 to the number of x intercepts in the graph of g(t) = (t-8) ^2. be sure to include the transformations that occurred between the parent function f(t) and its image g(t) \n" ); document.write( "
Algebra.Com's Answer #784837 by Theo(13342)![]() ![]() You can put this solution on YOUR website! x-intercept is the value of x when y = 0. \n" ); document.write( "f(t) = t^2. \n" ); document.write( "set that equal to 0 to get t^2 = 0 \n" ); document.write( "take the square root of both sides of the equation to get t = plus or minus sqrt(0) = 0. \n" ); document.write( "here's the graph of that equation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "g(t) = (t-8)^2 \n" ); document.write( "set that equal to 0 to get (t-8)^2 = 0 \n" ); document.write( "take the square root of both sides of the equation to get plus or minus (t-8) = 0 \n" ); document.write( "solve to t in (t-8) = 0 to get t = 8. \n" ); document.write( "solve tot t in -(t-8) = 0 to get t = 8. \n" ); document.write( "here's the graph of that equation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "here's the graph of both equations on the same graph.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "in the graphs, y replaces f(t) and g(t) and x replaces t.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "from the graph, you can see that y = (x-8)^2 is the same as y = x^2 except that it is shifter to the right 8 units.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "therefore, g(t) = f(t-8).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "f(t) = t^2 \n" ); document.write( "f(t-8) = (t-8)^2 = g(t) \n" ); document.write( " \n" ); document.write( " |