Answer:
you will have to multiply by two
Step-by-step explanation:
1/10 of 500 is 50 so the answer is 5
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)
Answer: -4
Step-by-step explanation:
Solve 2x+7=-1
2x. =-8
x. =-4