A student was solving the problem below. Look at their work and find the error. .

Identify which line the error is in (1 point)

Describe the error that was made (1 point)

• State what the correct answer should be (1 point)

Line 1: 2V45 - 35

Line 2: 219-V5 – 375

Line 3: 2 + 9V5 - 315

Line 4: 18V5 – 375

Line 5: 1575

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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.

Find the domain and range of the following function f(x) = 51x - 21+ 4