2000005101 | math4u.vsb.cz

SubArea:

Properties of functions

Level:

Project ID:

2000005101

Accepted:

0

Clonable:

0

Easy:

1

Which of the given tables can define a function

f

?

\begin{array}{ccccccc} x & 1 & 4 & - 2 & - 3 & - 1 & 2 \\ f (x) & 3 & 3 & 1 & 1 & 1 & 3 \end{array}

\begin{array}{ccccccc} x & - 4 & - 2 & 0 & - 2 & 4 & 6 \\ f (x) & 1 & 1 & 1 & 2 & 1 & 1 \end{array}

\begin{array}{ccccccc} x & 1 & 4 & - 2 & - 3 & 1 & 2 \\ f (x) & - 5 & 1 & - 2 & 1 & 3 & 6 \end{array}

\begin{array}{ccccccc} x & 1 & 2 & - 2 & - 3 & 1 & 2 \\ f (x) & - 1 & 0 & 2 & 3 & - 1 & - 2 \end{array}