The profits for a large international bank were $2 234 569 000. what is this number rounded to the nearest billion?

2 000 000 000 (2 billion)

Step-by-step explanation:

To round to the nearest billion we take a look at the following number 234 569 000, in this case we have 2 hundred millions which is less than 500 million (minimum value to round up to 3 billion) so in this case we round this number to 2 billion.

Let's take another example to see when to round up: 2 534 569 000 would be rounded to 3 billion for example.

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)