Question

Don't really understand this concept that my teacher explained to me today and these notes are all i have of it

Answer 1

Given:

`f(x)=x^2`

When we substituting the values of 'x'

`\begin{gathered} f(0)=0^2=0 \\ f(1)=1^2=1 \\ f(2)=2^2=4 \end{gathered}`