13:28 Gmail 9. Given y = log.(x). 1 - a. Write the equation of the transformed function after a vertical stretch by a factor of 2 , reflection y axis, Horizontal stretch by a factor 2 shifted right by 3 and shifted down by 2 b. State the domain, asymptotes and intercepts c. Write the equation of the inverse 10.The pH of a solution is defined as ph= -log(H*), where H* is the hydrogen ion concentration, in moles/L. Acetic acid has a pH of 2.9. Formic acid 4 times as concentrated as acetic acid .What is the pH of a formic acid? 11.The value of a printing machine is decreasing exponentially according to the equation V= 75000 e -0.14t , where 't' is the time in years a) Find the value of the machine after 5 years? b) After how many years is the machine worth 15% of its original value? 12. Describe, in order, a series of transformations that could be applied to the graph of y = logs x to draw the graph of each function 1+2 = - logs (3-x) a. b. y = logs JX - 6 B =10108 To 13. The sound intensity , P , in decibels is defined as ,where I is the intensity of the sound in watts/m'and , the threshold of hearing , is 10-12W/m.In some cities, police can issue a fine to the operator of a motor cycle when the sound while idling is 20 times as intense as the sound of an automobile. If the decibel level of an automobile is 75 dB, What decibel level can police issue a fine to a moor cycle operator