Section 6.1 Question: Which of the following is the inverse function of f (x)  =  2x + 5?
 
Quiz 6.8   (x – 5)/2
–2(x – 5)
–2x – 5
x/2 – 5
 
  Variation: Which of the following is the inverse function of f (x)  =  –x/3 – 5?
 
    x/3 + 5
(x + 5)/3
–3(x + 5)
–3x + 5