y = Acos(Bx) + D;
D = 4, A = 2. Now T = 2π/B = 5π/8, B = 2π/(5π/8) = 16/5
WE get y = 2cos(16/5x) + 4
Step-by-step explanation:

Answer:
-r+5<-3
Step-by-step explanation:
plug in 19 to the equation inequality
The answer is -7
The arrows both point toward the left side, and sine there are seven spaces the arrows are going through, you subtract 7 spaces and get -7
Hope that helps.
Answer:I think that it would be either b or c
Step-by-step explanation: