2. Functions, relations and graphs
Interactive practice questions
Consider the relation $\left\{\left(8,5\right),\left(1,3\right),\left(3,4\right),\left(9,1\right),\left(2,9\right)\right\}${(8,5),(1,3),(3,4),(9,1),(2,9)}.
a
What is the domain of the relation?
Enter each value on the same line, separated by commas.
b
What is the range of the relation?
Enter each value on the same line, separated by commas.
c
Is this relation a function?
Yes
A
No
B
Easy
1min
Consider the relation $\left\{\left(2,3\right),\left(3,8\right),\left(6,1\right),\left(8,7\right),\left(3,2\right)\right\}${(2,3),(3,8),(6,1),(8,7),(3,2)}.
Easy
1min
Consider the relation $\left\{\left(4,4\right),\left(8,9\right),\left(2,8\right),\left(7,9\right),\left(3,1\right)\right\}${(4,4),(8,9),(2,8),(7,9),(3,1)}.
Easy
1min
Consider the relation in the table.
Easy
< 1min
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