Write a point-slope equation for the line that has slope 1.4 and passes through the point (21, 5). Do not use parenthesis on the
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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