Someone answer this please!! make sure to consider the function f(x)=3x-1

Select the graph of the solution. click until the correct graph appears. |x| = 3

Which of the following scenarios demonstrates an exponential decay

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.