b) Let ø € Fnc(A, B) be the function that maps the position a e A to the numeric digit bEB that occurs below the value of a in the table created above. Draw the arrow diagram of your function p.
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
J number is 00206553
![Let A := {1,2, 3, 4, 5,6, 7, 8} and let B :== {0,1,2,3, 4, 5, 6, 7,8,9}.
a) Write the numeric digits of your student ID (J-number) in the blank slots beneath the
number of its position:
Position:
1 2 3 4 5 6 7 8
Number:
b) Let p E Fnc(A, B) be the function that maps the position a E A to the numeric digit
bEB that occurs below the value of a in the table created above. Draw the arrow diagram of
your function p.
c) Answer the following about the function ø you created in part (b):
(1) Is ø injective? Why or why not?
(ii) Is ø surjective? Why or why not?
(iii) Based on the sizes of A and B, could someone else's function be surjective? Why
or why not?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fafcae178-18ab-4874-919f-bfc7f64031d3%2F11f58c20-2b0a-4317-a446-171694e7544b%2Fdgpgt6r_processed.png&w=3840&q=75)
![d) Let C := Im(4). Write out C is roster form:
e) For each member of C choose one of the arrows from o that leads to it and create a
function p: C → A that is injective. For example if both 1, 2 and 3 all lead to 0, we can
choose to have G go from 0 back to 2 (as the single arrow we selected) and make similar
choices for the other elements in the image that have more than one arrow leading to it.
If there is only one arrow then that will be the arrow we will use in reverse for that
element in y. Create the arrow diagram for your choice of y.
(f) Draw the arrow diagram for o • y. What do you observe about this function?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fafcae178-18ab-4874-919f-bfc7f64031d3%2F11f58c20-2b0a-4317-a446-171694e7544b%2Fs7uhhl_processed.png&w=3840&q=75)
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