The existence proof of the empty set is an absolute gem
Answer:
A
Step-by-step explanation:
he is riding at a rate of 4 in one and the others do not match 4 in 1
Hope this helps
Answer:

Step-by-step explanation:
Since the amplitude of the cosine function is 2, I would put the multiply it by 2. There is no phase shift
The period is 1/2, so it would be 4pi
Plug them in into y=Acos(Bx), y=2cos(4pix)
C. 3/4 is the right answer