tranhtranh6889 tranhtranh6889

23-07-2021
Mathematics

contestada

Có bao nhiêu hàm đơn ánh từ tập $\{a,b,c\}$ đến tập $\{1,2,3,4,5\}$?

Respuesta :

LammettHash LammettHash

23-07-2021

A function f : X → Y assigns only one value of y ∈ Y to any given x ∈ X.

For each of the three elements in {a, b, c}, there are 5 choices of values to assign from {1, 2, 3, 4, 5}, so there are 5³ = 125 possible functions.

Answer Link

Otras preguntas

A concrete pillar has the shape of a cylinder. It has a radius of 3 meters and a height of 5 meters. If concrete costs $108 per cubic meter, how much did the co

8. Compare the number of protons and electrons in a neutral atom

PLZ PLZ PLZ PLZ PLZ PLZ PLZ PLZ

Marie get allowance everyday she gets 10$ each week she already has 30$ But she wants 90$ how much money does she need to make 90$? this question didnt make sen

An angle measures . What is the measure of its complement?

ALMUERZAS MOSTRAMOS VUELVO CUENTA RECUERDAN Ellos ________ la excursión . Yo ______ el mar. Mi primo ______ las cajas. Tú ______ en la fiesta. Juan y yo _______

Three major world religions trace their origins to the Middle East and North African region. While each religion has many distinct beliefs, they also have quite

in ms. march's class,7/10 of the students walk to school.another 1/5 of the students ride there bikes to school bus.what fraction of the class rides on the scho

Please help assignments due soon

A different factory produces red pens and green pens, of the pens produced at the factory each week, 3/4 are red. I’m a week when 39,000 red pens are produced,