Look at the following three functions. What’s the same and what’s different about them?

\[y=(x+1)^2 \quad \quad y= \tan x \quad \quad y= x^3+1\]

Find a reason why each one is the odd one out of the three.

Can you find any more reasons?

Look at the following three functions. What’s the same and what’s different about them?

\[y=(x+1)^2 \quad \quad y= \tan x \quad \quad y= x^3+1\]

Find a reason why each one is the odd one out of the three.

Can you find any more reasons?