Functional programming

Question 1

what are integers

Answer 1

numbers with their negative counterparts including zero ( -1 . -2, -3 , 0 , 1 2 3 )

Question 2

what are domain

Answer 2

A set of which the function input are chosen

Question 3

What is codomain

Answer 3

This is the set of which output from a functionional programming

Question 4

What are natural numbers

Answer 4

Start with 0 upward 1 , 2 , 3 ,4

Question 5

What is rational numbers

Answer 5

This can represent fractions

Question 6

What is irrational number

Answer 6

This cannot be represented as a fraction

Question 7

WHat is high order functions

Answer 7

Functions that take a function as an argument or returns a functions as a result or both

Question 8

What is map

Answer 8

Takes a second function and applies the list of elements before returning the new list

Question 9

WHat is fold

Answer 9

Reduces the list to a single value

Question 10

What is filter

Answer 10

Returns the elements of the list to adhere to the condition given

Question 11

Features of a functional program

Answer 11

High order function
Immutable
Stateless

Question 12

Describe how the total function works to add up all of the numbers in a list.

total [] = 0

total (x:xs) = x + total (xs)

Answer 12

It uses recursion
It splits the list to an head and tail
The recursion ends when the list is empty