Which of the following is true regarding the solutions to the logarithmic equation below?
2log3(x) - 4
log2 (x²)-4
x² - 34
x? - 81
-x-9.-9
ox-9 and x = -9 are true solutions
x-9 and x = -9 are extraneous solutions
o x-9 is an extraneous solution and x=-9 is a true solution
x-9 is a true solution and x = -9 is an extraneous solution

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?