Definition of a Function
Which of the following tables represent valid functions?
x
\displaystyle {x}
x
f
(
x
)
\displaystyle {f{{\left({x}\right)}}}
f
(
x
)
-2
-4
3
1
3
4
9
7
13
16
x
\displaystyle {x}
x
f
(
x
)
\displaystyle {f{{\left({x}\right)}}}
f
(
x
)
0
-4
1
3
5
3
8
9
15
10
x
\displaystyle {x}
x
f
(
x
)
\displaystyle {f{{\left({x}\right)}}}
f
(
x
)
-5
0
3
2
4
5
7
8
3
2
x
\displaystyle {x}
x
f
(
x
)
\displaystyle {f{{\left({x}\right)}}}
f
(
x
)
0
-5
1
2
6
5
9
7
10
14
Question Help:
Video
Submit
Try a similar question
License
[more..]