Determine whether each pair of functions are inverse functions.
f(x) = 4x ­- 9, g(x) = x - 9/4

f(x) = 1/x+2 , g(x) = 1/x,­ 2

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Twelve less than a number is at most 20

Which of the following disjunctions is true? 4 + 4 = 16 or 6 - 5 = 11 4 · 3 = 7 or 3 - 2 = 5 8 - 5 = 13 or 7 · 2 = 12 7 - 4 = 11 or 6 + 3 = 9