![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0b5FCIhfYCwgtpO1Rz5RCns5Uh0ztF_AXrFTdQ_yLV5mGHzHrmubfOPxrQqeyKzVma0hSW4ZDBSRMmbCgVcYjV0Ikqjab1Tfr7BUlqUgHVDdzocFezaomxGFQ-Q8yWlIuWJGCldXRAOA/s400/7.png)
7a)-
7b)- Yes it does because the X axis (hours) is going up by 1 going up by 1 and the Y axis (cost) is going up by 9.
7c)- Yes because you can work for half an hour
#8
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgciuLg6bFsT0M1KiEcNf5z-hGsTFuaqRQvK_Qpd60nTnaQ1usl7TVDduL4A_QSUvWxh7XVDGFustSW7gxHcKiIW7ONaXSSQiOVa1JvWjK-5fS2H_PU1HSG7JC1RSuGmAOZWDbJZ29BEVs/s400/8.png)
8a) The graph shows the number of cars being washed and the income of each car washed.
8b) Its a linear relation because the X (cars) axis is going up by 1 and the Y axis (income) is going up by 10
8c) The cost of one car is $10
8d)
8e) 15 cars washed = $150 income
#13
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiD8eeOAbHQu8m5M6vdC0SNH4zipg-ojvQHl8w-eUpj8uMfo8lQH1uC5hKa8-Po-LO4eWBs19Bm9StUgioxF1_Ojvoawj5egkrfr5Uf_E-RhbpRvWPhnETy7LCMBrvvVz_DHfm7OqbJwc8/s400/13.png)
13a) T- Time D- Distance
13b) 15 is the number you multiply the variable with
15t (2)= d
13c)
13d)
13e) Yes because you can stop at any time or distance
13f) 15t(8)= 120km
Page 363 #9
9a)
9b) 4f(60)= b
240
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