I hope this helps you
Please help me this is so annoying and I need it done really fast so if you could just put an quick answer no explanation just t
ell me which answer goes in which thanks so much
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
ANSWER
The correct choice is A.
EXPLANATION
The given cosine function is:
This function has an amplitude of 2.
Hence it must have range,
-2≤f(t)≤2
It has a period of
Hence the function must complete one cycle on the interval,
[0,½π],
[½π,π],
etc.
The negative sign shows a reflection in the y-axis but since the cosine function is even, the function retraces itself.
The correct choice is A