Cos (πt - 1) oscilates periodically between -1 and +1.
3Cos (πt - 1) oscilates periodically between -3 and +3.
The x-axis is the middle line. The equation of the x-axis is y = 0.
So the, the middle line is y=0.
ANSWER
In 16 years time.
EXPLANATION.
If the number of subscribers is 324 million, then it means

But we were given that,

This implies that,

We now solve for t,




That will be approximately in the 16th year.
4•4=16
12•5=60. That’s the answer
Answer:
i think its the first one
Step-by-step explanation:
SORRY if you get it wrong
Answer:
3 units right and 1 unit up.