Question

Let f(x) = x + 2 and g(x) = x2 – 6x + 3. Find g(f(x)).

Answer 1

For every 'x' in g(x), substitute "x+2". Then distribute and simplify.

Answer 2

I'm still confused

Answer 3

x2 – 2x – 5

Answer 4

That is correct. It does't appear that this can be simplified any neater.