The product of 9 and x is less or equal to -17
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Answer:
Step-by-step explanation:
Given information:
Maximum revenue = 42000
Minimum revenue = $25000
Time period = 12 months
We need to write a function that models the boutique's revenue during the year, where corresponds to the month.
.... (1)
where, A is amplitude, is period, C is phase shift and D is midline.
Substitute the value of A, B and D in equation (1).
..... (2)
In April, revenue of the store is $42000. So, the graph passes through the point (4,42000).
Divide both sides by 8500.
On comparing both sides we get
Substitute the value of C in equation (2).
Therefore, the required function is .