Question

What are the increasing, and decreasing intervals of the function y=x^3+3?

Increasing x < 0; Decreasing x > 0

Increasing x > 0; Decreasing x < 0

Increasing x < 3; Decreasing x > 3

Increasing x > 3; Decreasing x < 3

Answer 1

None of those answers are correct.

Answer 2

The function is always increasing.