I dont know how to find the intersection point please help me im really bad at factoring

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.

When is g(x) = 0 for the function g(x) = 5.23x + 4?