subject
Mathematics, 15.04.2020 21:29 kayranicole1

For each of the functions below, indicate whether the function is onto, one-to-one, neither orboth. If the function is not onto or not one-to-one, give an example showing why.

(a)f1:Z→Z. f1(x) =x33
(b)f2:Z→Z. f2(x) =bx3c+ 23
(c)f3:Z×Z→Z×Z. f3(x, y) = (x+ 1,2y)3
(d)f4:Z+×Z+→Z+.f4(x, y) = 2x+y−1

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 12:30
Evaluate the integral. (sec2(t) i t(t2 1)8 j t7 ln(t) k) dt
Answers: 3
question
Mathematics, 21.06.2019 19:30
If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).
Answers: 1
question
Mathematics, 21.06.2019 20:30
Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account
Answers: 2
question
Mathematics, 21.06.2019 21:30
Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )
Answers: 1
You know the right answer?
For each of the functions below, indicate whether the function is onto, one-to-one, neither orboth....
Questions
question
Mathematics, 27.01.2020 22:31
question
Mathematics, 27.01.2020 22:31
Questions on the website: 13722362