Function Symbols

Question 1

𝑓(𝑎)

Answer 1

value of the function 𝑓 at 𝑎

Question 2

𝑓:𝐴 → 𝐵

Answer 2

Function from 𝐴 to 𝐵

Question 3

𝑓1+ 𝑓2

Answer 3

Sum of the functions 𝑓1 and 𝑓

Question 4

𝑓1𝑓2

Answer 4

Product of the functions 𝑓1 and 𝑓2

Question 5

𝑓(𝑆)

Answer 5

Image of the set 𝑆 under 𝑓

Question 6

𝑖𝐴(𝑆)

Answer 6

Identity function on 𝐴

Question 7

𝑓−1(𝑥)

Answer 7

Inverse of 𝑓

Question 8

𝑓𝑜𝑔

Answer 8

Composition of 𝑓 and 𝑔

Question 9

⌊𝑥⌋

Answer 9

Floor function of 𝑥

Question 10

⌈𝑥⌉

Answer 10

Ceiling function of 𝑥

Question 11

𝑎𝑛

Answer 11

Term of {𝑎𝑖} with subscript 𝑛

Question 12

Σ𝑛𝑖=ai

Answer 12

Sum of𝑎1, 𝑎2, …, 𝑎𝑛

Question 13

Σ𝛼∈𝑆𝑎𝛼

Answer 13

Sum of 𝑎𝛼 over a 𝛼∈𝑆

Question 14

Πni=1an

Answer 14

Product of𝑎1, 𝑎2, …, 𝑎𝑛

Question 15

𝑓(𝑥) 𝑖𝑠 𝑂(𝑔(𝑥))

Answer 15

𝑓(𝑥 ) is big-O of 𝑔 (𝑥 )

Question 16

𝑛!

Answer 16

𝑛 factorial

Question 17

𝑓(𝑥) 𝑖𝑠 𝛺 (𝑔(𝑥))

Answer 17

𝑓 (𝑥 ) is big-Omega of 𝑔 (𝑥 )

Question 18

𝑓(𝑥) 𝑖𝑠 𝛩 (𝑔(𝑥))

Answer 18

𝑓 (𝑥 ) is big-Theta of 𝑔(𝑥)

Question 19

~

Answer 19

Asymptotic

Question 20

𝑚𝑖𝑛(𝑥,𝑦)

Answer 20

Minimum of 𝑥 and 𝑦

Question 21

𝑚𝑎𝑥(𝑥,𝑦)

Answer 21

Maximum of 𝑥 and 𝑦

Question 22

≈

Answer 22

Approximately equal to