Question: 2. Let A = {a1, a2, a3, a4} and B = {b1, b2, b3, b4, b5} (so that |A| = 4 and |B| = 5).

2. Let A = {a1, a2, a3, a4} and B = {b1, b2, b3, b4, b5} (so that |A| = 4 and |B| = 5). How many injective functions f : A B satisfy f(a1) = b1 or f(a2) = b2? (This is aninclusive or.)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

2 5 . Given two ordered arrays { a 1 , a 2 , a 3 , a 4 , a 5 } and { b 1 , b 2 , b 3 , b 4 , b 5 } with a 1

Can you please solve these 5 problems thank you 11. Prove or provide a counterexample. Let A = {a1, a2, a3, a4} and B = {b1, b2, b3}. Define f : A -> B by f(a1) = b1, f(a2) = b1, f (a3) = b2, and f...

In Joy's garden center, each greenhouse is labeled with a letter followed by an integer. Given integers num _ rows and num _ columns; output the label for each greenhouse, followed by a space. End...

On a map, each square is labeled with a letter followed by an integer. Given integers num _ rows and num _ columns, output the label for each square, followed by a space. End each row with a newline....

Suppose there are two threads as follows: ( 3 0 points ) Thread a A 1 A 2 A 3 A 4 Thread b B 1 B 2 B 3 B 4 How many stalled cycles are there when using fine - grained multithreading to minimize...

2. (50%) The robot assembly and remanufacturing process consists of four major tasks and each of them contain a set of subtasks. The precedence relationships are given in the following table....

1. Triangle ABC has vertices A(3, 3, 0), B(2, 5, 0), and C(4, 0, 2). (a) Use the dot product to determine the measure of two angles within the triangle, and then triangle logic to calculate the third...

Logistics Quote journeyed fur, I journeyed fas'; / glad I foun' de place at las'! Joel Chandler Harris, 1848-1908, Nights with Uncle Remus, Boston, 1911, 1 ver. Logistics Definition The detailed...

Array Utilities (array utils.c) In this exercise you will write several functions that operate on arrays. The individual functions are detailed below. (a) The dot product of two arrays are a = [a1;...

R Programming Code: K-Means Algorithm Due Date: April 20, 2018 at 10:00pm central standard time zone Write a complete working R programming code using K-means algorithm to do the following tasks. Use...

Marketing analysts have determined that a particular advertising campaign should make at least 20% of the adult population aware of the advertised product. After a recent campaign, 60 of 400 adults...

Pure acetic acid, known as glacial acetic acid, is a liquid with a density of 1.049 g/mL at 25C. Calculate the molarity of a solution of acetic acid made by dissolving 20.00 mL of glacial acetic acid...

re a court can determine whether a firm has a dominant market share, it must define the relevant market. What does the relevant market sist of ? A relevant product market only. A relevant product...

B2B Co. is considering the purchase of equipment that would allow the company to add a new product to its line. The equipment is expected to cost $380,800 with a 5-year life and no salvage value. It...