Answer:
the second one
Step-by-step explanation:
The graph of
is given by,
Here given the function is 
when
, then it passes through the origin (0,0).
When 
Since we know that,
, then the function has maximum height at
.
Again when
, again the function is 0.
So clearly the function is the Oscillating function.
Using graphing calculator we get the graph of function
,
Learn more about Trigonometric Function here -
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Answer:
its 5.795
Step-by-step explanation:
Answer:
[-9,∞)
Step-by-step explanation:
Answer:
No
Step-by-step explanation
10y + 5 is multiply by 10 and add 5
where 15y is multipy by 15