Based on the table, which best predicts the end behavior
of the graph of f(x)?
х
- 4
GOE
8
1
8
1
- , and as x → -, f(x) ..
- and as X - _. f(x) 00
---, and as x -0, f(x) →
f(x) -00, and as x _fx) -
8
1
8
f(x)
18
9
6
3
0
-3
-6
-9
-18
-3
_2
-1
0
1
2
3
4
8
OWOCO
IOIOIOIO
I
-

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

What is the number 321,000,000 in scientific notation? also what is the number? ?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.