| List I (Pigments) | List II (Colour in chromatogram) | ||
| 1 | Chlorophyll 'b' | p | Yellow orange |
| 2 | Carotenoids | q | Orange red |
| 3 | Chlorophyll 'a' | r | Yellow |
| 4 | Xanthophylls | s | Blue green |
| t | Yellow green | ||
Match the following:
In the following, \( [x] \) denotes the greatest integer less than or equal to \( x \). 
Choose the correct answer from the options given below:
For x < 0:
f(x) = ex + ax
For x ≥ 0:
f(x) = b(x - 1)2