Consider the following statements.
S1: f(x) = x5 + 3x - 1 is an increasing function for all values of x.
S2: f(x) = 1-x3-x9 is decreasing function for all values of x where x 0.
Which of the above statements are TRUE.
- A-S1 only
- B-S2 only
- C-Both S1 and S2
- D-Neither S1 nor S2