Question

Once again, I need help in Algebra.
Graphing, and rate of change.
Question:
http://gyazo.com/781b257863237c2908ea288f2e876191
Graph:
http://gyazo.com/9e314ae162aa3a931b67b0593ea83f17

Answer 1

That answer would be correct since the average rate of change between the two points is the speed that its going up

Answer 2

@doulikepiecauseidont Ah, ok. Thank you

Answer 3

@doulikepiecauseidont But why is it not D?

Answer 4

Avg rate of change formula \[\Large \frac{f(2)-f(1)}{(x_2-x_1)}\]

Answer 5

Where
x_1, f(1) is one point and x_2, f(2) is the other point

Answer 6

Yes,

Answer 7

you get 3 as your answer

Answer 8

@doulikepiecauseidont I think it may be D. Let me zoom out a bit.

Answer 9

@doulikepiecauseidont http://gyazo.com/ee193b71578cbd35bb4c107f3ac9d59b

Answer 10

Plug in the numbers

Answer 11

@doulikepiecauseidont I know, but it looks like it's increasing by 2. 1 is 9, and 4 is 18.

Answer 12

@doulikepiecauseidont Nevermind, brain fart.

Answer 13

I got it now.

Answer 14

It is C.