Given the function ƒ(x) = 8(x - 4) - 18, determine the value of x such that ƒ(x) = 22. select one: a. 3 b. 6 c. 9 d. 12

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.

Answer asap! due in 30 minutes! ! 8th grade math

Write a function rule for  “the output is  5 less than the input.” let  x be the input and let  y  be the output.