Solve the radical equation. x+1=7-6x-6
Which solution is extraneous?
The solution x=-1 is an extraneous solution.
Both x=-1 are x=-7 true solutions.
O The solution x=-7 is an extraneous solution.
O Neither x=-1 nor x=-7 is a true solution to the equation.

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels