Combinatorial Enumeration. That whole class was a rollercoaster ride of mind-blowing generating functions to prove crazy things. The exam had ridiculous questions like 'count the number of cactus trees with n vertices such that etc etc etc' and you'd do three pages of terrible terrible sums and algebra. Then your final answer would be something beautiful like n/2 and you'd breath a sigh of relief and thank the math gods.

6 0

2 years ago

Which graph below has a “period” of 4?

Inessa [10]

Answer:

Step-by-step explanation:

6 0

3 years ago

If 10 tickets to the movies cost $55, how much would 4 tickets cost?

11111nata11111 [884]

Answer:

$55 \div 10 = \: 5.5 \: dollars \\ 5.5 \times 4 = 22.0 \: dollars$