Step by step
The question
Question: find g(0) in this table of g.
g(0) = ?
1 Look at the table
The table shows g.
Each x on top has its g(x) right under it.
For example, g of −2 is 8.
x: top row
g(x): right under its x
2 Read g(0)
The number in the brackets is the x.
Here x is 0.
g(0): x = 0 → g(x) = ?
Careful!
g of 0 does not mean g(x) is 0.
The 0 in the brackets is an x.
So we start at 0 on the x row.
Careful: g(0): start at x = 0, not at g(x) = 0
Find 0 in the x row.
Right under it is 2.
So g(0) = 2.
g(0) = 2
3 Check
Let's check the other way.
The 2 in the bottom row sits under x = 0.
So the answer is right!
column: x = 0, g(x) = 2
Let's look back.
First: look at the table.
Then: read g(0).
Last: check.
Answer
g(0) = 2