Recent questions from topic relations and functions

+1 vote

1 answer

Let A = {1, 2, 3, 4, 6}

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

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1 answer

A = {1, 2, 3, 5} and B = {4, 6, 9}

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

+1 vote

1 answer

Define a relation R on the set N of natural numbers by

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

+1 vote

1 answer

Let A = {1, 2, 3… 14}. Define a relation R from

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

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1 answer

The Cartesian product A × A has 9 elements among which are found

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

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1 answer

Let A and B be two sets such that

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

+1 vote

1 answer

Let A = {1, 2}, B = {1, 2, 3, 4}, C = {5, 6} and D = {5, 6, 7, 8}. Verify that

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

+1 vote

1 answer

If A × B = {(a, x), (a, y), (b, x), (b, y)}. Find A and B.

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

+1 vote

1 answer

State whether each of the following statement are true or false.

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

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1 answer

If the set A has 3 elements and the set

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

+1 vote

1 answer

Find the range of each of the following functions.

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

+1 vote

1 answer

the function ‘t’ which maps temperature in degree

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

+1 vote

1 answer

A function f is defined by f(x) = 2x – 5. Write down the values of

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

+1 vote

1 answer

Find the domain and range of the following real function:

asked Jul 18, 2017 in Mathematics by jayprakash (2,890 points)

+6 votes

1 answer

Let f be the subset of Z × Z defined by f = {(ab, a + b) : a, b Î Z}. Is f a function from Z to Z? Justify your answer.

asked Dec 25, 2016 in Mathematics by sforrest072 (157,439 points)

+6 votes

1 answer

Let f = {( x, sqr(x)/1+sqr( x)) : x Î R} be a function from R into R. Determine the range of f.

asked Dec 25, 2016 in Mathematics by sforrest072 (157,439 points)

+6 votes

1 answer

Find the domain and the range of the real function f defined by f (x) = sqrt( x −1) .

asked Dec 25, 2016 in Mathematics by sforrest072 (157,439 points)

+6 votes

1 answer

Find the following

asked Dec 25, 2016 in Mathematics by sforrest072 (157,439 points)

+6 votes

1 answer

Depict this relationship using roster form. Write down the domain and the range.

asked Dec 25, 2016 in Mathematics by sforrest072 (157,439 points)

+6 votes

1 answer

Write down its domain, codomain and range.

asked Dec 25, 2016 by sforrest072 (157,439 points)

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