Question

Which tables represent constant functions?

A. x y
2 -1
2 0
2 1

B. x y
2 -3
4 -7
6 -11

C. x y
2 3
4 3
6 3

D. x y
1 3
2 12
3 27

E. x y
1 -1
2 -1
3 -1

Answer 1

C and E repr. constant functions.

Explanation:

C and E represent constant functions. One can tell immediately by the fact that y remains the same even when x changes.

Answer 2

The correct option is C and E.

Explanation:

Constant functions is the function those output value(y) remains same for any input values(x).

Now consider the provided options.

Option A, B and D has different output value(y) for different the different input values(x)

Now consider the option C and E.

Option C and E has same output value(y) for different the different input values(x).

Therefore, the correct option is C and E.