Which is the graph of the given function?

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

which of the following can speed up the rate at which the liver breaks  

down alcohol?

question 1 options:

carbohydrates  

coffee  

nothing  

high-protein meals  

step-by-step explanation:

the answer is two. hope this !