So all you really need to do is to substitute the value of x into the equation so like the 1st one will look like this:

Those would be the right column for the f(x) values
Now do the same for g(x)

You will notice that when x = -1, g(x) = f(x)
Answer: 5,491,000?
Little confused what your asking, lol.
Answer:a = -5 and b = -7
Step-by-step explanation: