### Question Description

## Final Answer

Hello!

**1**. The range is a set of values of a function.

As we see at the graph, the function cannot be <-4. But it can be -4 and any greater number.

So the answer is **B, y>=-4**.

**3**. (f+g)(x) = f(x) + g(x) = (x^2 + 3) + (x - 7) = x^2 + 3 + x - 7 = x^2 + x - 4.

The answer is **A**.