1/3
3/9
4/12
are equivalent to 2/6
To solve this problem you must apply the proccedure shown below:
1. You have the following parent function given in the problem above: 
2. If you want to shift this parent function up six units, you only have the add a
, then, you will obtain the following new function:

Therefore, as you can see, the answer is: 
I think the answer is option c.one
there is only one sign change in the whole equation so possiblythe answe must be one. correct me if i am wrong
Answer:
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2·(2 + 9 + 2/SIN(30°)) = 30