0.15(n-250) 5 to find the cost of 275 text messages
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It has infinite solution or many solutions.
The steps are on paper.
The steps are on paper.
Let's analyse the function
The amplitude is A, so we want A=1.5
Now, we start at x=0, and we have
After one second, i.e. x=1, we want this sine function to make 330 cycles, i.e. the argument must be
So, we have
so, the function is