The graph shows the number of wireless subscriber connections​ (that is, active​ devices, including​ smartphones, feature​ phones, tablets,​ etc.) in millions in a country for the years 2011 through 2016. Complete parts ​(a) through ​(c) below.

Question

Question content area bottom left
Part 1
​(a) In the context of this​ graph, what does the ordered pair (2016, 179) ​mean?
In 20162016​, there were 179179 million wireless subscriber connections in the United States.
Part 2
​(b) Use the given ordered pairs to find the slope of the line.
The slope of the line is enter your response here.
​(Simplify your​ answer.)
.
.
.
Question content area right
Part 1
Wireless Subscriber Connections
2011
2012
2013
2014
2015
2016
0
40
80
120
160
200
Year
Subscriber Connections (in millions)
(2011,109)
(2016,179)
y
x

Answer 1

Part 2
To find the slope of the line, we can use the formula for slope: (change in y) / (change in x).

The change in y is 179 - 109 = 70
The change in x is 2016 - 2011 = 5

So the slope of the line is 70/5 = 14.

Therefore, the slope of the line is 14.