Podcast
Questions and Answers
What is the set X called in a function from a set X to a set Y?
What is the set X called in a function from a set X to a set Y?
- Function space
- Range
- Codomain
- Domain (correct)
How is the value of a function f at an element x of its domain denoted?
How is the value of a function f at an element x of its domain denoted?
- $f(x+1)$
- $f * x$
- $f(x)$ (correct)
- $f_x$
What was historically the idealization of how a varying quantity depends on another quantity?
What was historically the idealization of how a varying quantity depends on another quantity?
- Derivative
- Equation
- Function (correct)
- Integral
How is the value at 4 of the function that maps x to $(x + 1)^2$ denoted?
How is the value at 4 of the function that maps x to $(x + 1)^2$ denoted?
What greatly enlarged the domains of application of the concept of a function at the end of the 19th century?
What greatly enlarged the domains of application of the concept of a function at the end of the 19th century?
In the context of sets, what does the term 'cardinality' refer to?
In the context of sets, what does the term 'cardinality' refer to?
What is the range of a function?
What is the range of a function?
In the context of relations, what does it mean if a relation is symmetric?
In the context of relations, what does it mean if a relation is symmetric?